KafkaConfig.scala

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  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
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  * http://www.apache.org/licenses/LICENSE-2.0
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package kafka.server

import java.{lang, util}
import java.util.concurrent.TimeUnit
import java.util.{Collections, Properties}
import kafka.cluster.EndPoint
import kafka.server.KafkaConfig.{ControllerListenerNamesProp, ListenerSecurityProtocolMapProp}
import kafka.utils.CoreUtils.parseCsvList
import kafka.utils.{CoreUtils, Logging}
import kafka.utils.Implicits._
import org.apache.kafka.clients.CommonClientConfigs
import org.apache.kafka.common.Reconfigurable
import org.apache.kafka.common.config.{AbstractConfig, ConfigDef, ConfigException, ConfigResource, SaslConfigs, TopicConfig}
import org.apache.kafka.common.config.ConfigDef.{ConfigKey, ValidList}
import org.apache.kafka.common.config.types.Password
import org.apache.kafka.common.network.ListenerName
import org.apache.kafka.common.record.{CompressionType, LegacyRecord, Records, TimestampType}
import org.apache.kafka.common.security.auth.KafkaPrincipalSerde
import org.apache.kafka.common.security.auth.SecurityProtocol
import org.apache.kafka.common.utils.Utils
import org.apache.kafka.coordinator.group.ConsumerGroupMigrationPolicy
import org.apache.kafka.coordinator.group.Group.GroupType
import org.apache.kafka.coordinator.group.GroupCoordinatorConfig
import org.apache.kafka.coordinator.group.assignor.PartitionAssignor
import org.apache.kafka.coordinator.transaction.{TransactionLogConfigs, TransactionStateManagerConfigs}
import org.apache.kafka.raft.RaftConfig
import org.apache.kafka.security.authorizer.AuthorizerUtils
import org.apache.kafka.security.PasswordEncoderConfigs
import org.apache.kafka.server.ProcessRole
import org.apache.kafka.server.authorizer.Authorizer
import org.apache.kafka.server.common.{MetadataVersion, MetadataVersionValidator}
import org.apache.kafka.server.common.MetadataVersion._
import org.apache.kafka.server.config.{Defaults, KafkaSecurityConfigs, ServerTopicConfigSynonyms, ZkConfigs, ReplicationConfigs, ServerLogConfigs}
import org.apache.kafka.server.log.remote.storage.RemoteLogManagerConfig
import org.apache.kafka.server.record.BrokerCompressionType
import org.apache.kafka.server.util.Csv
import org.apache.kafka.storage.internals.log.{CleanerConfig, LogConfig}
import org.apache.kafka.storage.internals.log.LogConfig.MessageFormatVersion
import org.apache.zookeeper.client.ZKClientConfig

import scala.annotation.nowarn
import scala.compat.java8.OptionConverters._
import scala.jdk.CollectionConverters._
import scala.collection.{Map, Seq}

object KafkaConfig {

  def main(args: Array[String]): Unit = {
    System.out.println(configDef.toHtml(4, (config: String) => "brokerconfigs_" + config,
      DynamicBrokerConfig.dynamicConfigUpdateModes))
  }

  private[kafka] def zooKeeperClientProperty(clientConfig: ZKClientConfig, kafkaPropName: String): Option[String] = {
    Option(clientConfig.getProperty(ZkConfigs.ZK_SSL_CONFIG_TO_SYSTEM_PROPERTY_MAP.get(kafkaPropName)))
  }

  private[kafka] def setZooKeeperClientProperty(clientConfig: ZKClientConfig, kafkaPropName: String, kafkaPropValue: Any): Unit = {
    clientConfig.setProperty(ZkConfigs.ZK_SSL_CONFIG_TO_SYSTEM_PROPERTY_MAP.get(kafkaPropName),
      kafkaPropName match {
        case ZkConfigs.ZK_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_CONFIG => (kafkaPropValue.toString.toUpperCase == "HTTPS").toString
        case ZkConfigs.ZK_SSL_ENABLED_PROTOCOLS_CONFIG | ZkConfigs.ZK_SSL_CIPHER_SUITES_CONFIG => kafkaPropValue match {
          case list: java.util.List[_] => list.asScala.mkString(",")
          case _ => kafkaPropValue.toString
        }
        case _ => kafkaPropValue.toString
    })
  }

  // For ZooKeeper TLS client authentication to be enabled the client must (at a minimum) configure itself as using TLS
  // with both a client connection socket and a key store location explicitly set.
  private[kafka] def zkTlsClientAuthEnabled(zkClientConfig: ZKClientConfig): Boolean = {
    zooKeeperClientProperty(zkClientConfig, ZkConfigs.ZK_SSL_CLIENT_ENABLE_CONFIG).contains("true") &&
      zooKeeperClientProperty(zkClientConfig, ZkConfigs.ZK_CLIENT_CNXN_SOCKET_CONFIG).isDefined &&
      zooKeeperClientProperty(zkClientConfig, ZkConfigs.ZK_SSL_KEY_STORE_LOCATION_CONFIG).isDefined
  }

  /** ********* General Configuration ***********/
  val BrokerIdGenerationEnableProp = "broker.id.generation.enable"
  val MaxReservedBrokerIdProp = "reserved.broker.max.id"
  val BrokerIdProp = "broker.id"
  val MessageMaxBytesProp = "message.max.bytes"
  val NumNetworkThreadsProp = "num.network.threads"
  val NumIoThreadsProp = "num.io.threads"
  val BackgroundThreadsProp = "background.threads"
  val NumReplicaAlterLogDirsThreadsProp = "num.replica.alter.log.dirs.threads"
  val QueuedMaxRequestsProp = "queued.max.requests"
  val QueuedMaxBytesProp = "queued.max.request.bytes"
  val RequestTimeoutMsProp = CommonClientConfigs.REQUEST_TIMEOUT_MS_CONFIG
  val ConnectionSetupTimeoutMsProp = CommonClientConfigs.SOCKET_CONNECTION_SETUP_TIMEOUT_MS_CONFIG
  val ConnectionSetupTimeoutMaxMsProp = CommonClientConfigs.SOCKET_CONNECTION_SETUP_TIMEOUT_MAX_MS_CONFIG

  /** KRaft mode configs */
  val ProcessRolesProp = "process.roles"
  val InitialBrokerRegistrationTimeoutMsProp = "initial.broker.registration.timeout.ms"
  val BrokerHeartbeatIntervalMsProp = "broker.heartbeat.interval.ms"
  val BrokerSessionTimeoutMsProp = "broker.session.timeout.ms"
  val NodeIdProp = "node.id"
  val MetadataLogDirProp = "metadata.log.dir"
  val MetadataSnapshotMaxNewRecordBytesProp = "metadata.log.max.record.bytes.between.snapshots"
  val MetadataSnapshotMaxIntervalMsProp = "metadata.log.max.snapshot.interval.ms"
  val ControllerListenerNamesProp = "controller.listener.names"
  val SaslMechanismControllerProtocolProp = "sasl.mechanism.controller.protocol"
  val MetadataLogSegmentMinBytesProp = "metadata.log.segment.min.bytes"
  val MetadataLogSegmentBytesProp = "metadata.log.segment.bytes"
  val MetadataLogSegmentMillisProp = "metadata.log.segment.ms"
  val MetadataMaxRetentionBytesProp = "metadata.max.retention.bytes"
  val MetadataMaxRetentionMillisProp = "metadata.max.retention.ms"
  val QuorumVotersProp = RaftConfig.QUORUM_VOTERS_CONFIG
  val MetadataMaxIdleIntervalMsProp = "metadata.max.idle.interval.ms"
  val ServerMaxStartupTimeMsProp = "server.max.startup.time.ms"

  /** ZK to KRaft Migration configs */
  val MigrationEnabledProp = "zookeeper.metadata.migration.enable"
  val MigrationMetadataMinBatchSizeProp = "zookeeper.metadata.migration.min.batch.size"

  /** Enable eligible leader replicas configs */
  val ElrEnabledProp = "eligible.leader.replicas.enable"

  /************* Authorizer Configuration ***********/
  val AuthorizerClassNameProp = "authorizer.class.name"
  val EarlyStartListenersProp = "early.start.listeners"

  /** ********* Socket Server Configuration ***********/
  val ListenersProp = "listeners"
  val AdvertisedListenersProp = "advertised.listeners"
  val ListenerSecurityProtocolMapProp = "listener.security.protocol.map"
  val ControlPlaneListenerNameProp = "control.plane.listener.name"
  val SocketSendBufferBytesProp = "socket.send.buffer.bytes"
  val SocketReceiveBufferBytesProp = "socket.receive.buffer.bytes"
  val SocketRequestMaxBytesProp = "socket.request.max.bytes"
  val SocketListenBacklogSizeProp = "socket.listen.backlog.size"
  val MaxConnectionsPerIpProp = "max.connections.per.ip"
  val MaxConnectionsPerIpOverridesProp = "max.connections.per.ip.overrides"
  val MaxConnectionsProp = "max.connections"
  val MaxConnectionCreationRateProp = "max.connection.creation.rate"
  val ConnectionsMaxIdleMsProp = "connections.max.idle.ms"
  val FailedAuthenticationDelayMsProp = "connection.failed.authentication.delay.ms"
  /***************** rack configuration *************/
  val RackProp = "broker.rack"

  /** ********* Controlled shutdown configuration ***********/
  val ControlledShutdownMaxRetriesProp = "controlled.shutdown.max.retries"
  val ControlledShutdownRetryBackoffMsProp = "controlled.shutdown.retry.backoff.ms"
  val ControlledShutdownEnableProp = "controlled.shutdown.enable"

  /** ********* Fetch Configuration **************/
  val MaxIncrementalFetchSessionCacheSlots = "max.incremental.fetch.session.cache.slots"
  val FetchMaxBytes = "fetch.max.bytes"

  /** ********* Request Limit Configuration **************/
  val MaxRequestPartitionSizeLimit = "max.request.partition.size.limit"

  /** ********* Quota Configuration ***********/
  val NumQuotaSamplesProp = "quota.window.num"
  val NumReplicationQuotaSamplesProp = "replication.quota.window.num"
  val NumAlterLogDirsReplicationQuotaSamplesProp = "alter.log.dirs.replication.quota.window.num"
  val NumControllerQuotaSamplesProp = "controller.quota.window.num"
  val QuotaWindowSizeSecondsProp = "quota.window.size.seconds"
  val ReplicationQuotaWindowSizeSecondsProp = "replication.quota.window.size.seconds"
  val AlterLogDirsReplicationQuotaWindowSizeSecondsProp = "alter.log.dirs.replication.quota.window.size.seconds"
  val ControllerQuotaWindowSizeSecondsProp = "controller.quota.window.size.seconds"
  val ClientQuotaCallbackClassProp = "client.quota.callback.class"

  val DeleteTopicEnableProp = "delete.topic.enable"
  val CompressionTypeProp = ServerTopicConfigSynonyms.serverSynonym(TopicConfig.COMPRESSION_TYPE_CONFIG)

  /** ********* Kafka Metrics Configuration ***********/
  val MetricSampleWindowMsProp = CommonClientConfigs.METRICS_SAMPLE_WINDOW_MS_CONFIG
  val MetricNumSamplesProp: String = CommonClientConfigs.METRICS_NUM_SAMPLES_CONFIG
  val MetricReporterClassesProp: String = CommonClientConfigs.METRIC_REPORTER_CLASSES_CONFIG
  val MetricRecordingLevelProp: String = CommonClientConfigs.METRICS_RECORDING_LEVEL_CONFIG
  @deprecated
  val AutoIncludeJmxReporterProp: String = CommonClientConfigs.AUTO_INCLUDE_JMX_REPORTER_CONFIG

  /** ********* Kafka Yammer Metrics Reporters Configuration ***********/
  val KafkaMetricsReporterClassesProp = "kafka.metrics.reporters"
  val KafkaMetricsPollingIntervalSecondsProp = "kafka.metrics.polling.interval.secs"

  /** ********* Kafka Client Telemetry Metrics Configuration ***********/
  val ClientTelemetryMaxBytesProp = "telemetry.max.bytes"

  /** ********* Delegation Token Configuration ****************/
  val DelegationTokenSecretKeyAliasProp = "delegation.token.master.key"
  val DelegationTokenSecretKeyProp = "delegation.token.secret.key"
  val DelegationTokenMaxLifeTimeProp = "delegation.token.max.lifetime.ms"
  val DelegationTokenExpiryTimeMsProp = "delegation.token.expiry.time.ms"
  val DelegationTokenExpiryCheckIntervalMsProp = "delegation.token.expiry.check.interval.ms"

  /** ********* Password encryption configuration for dynamic configs *********/
  val PasswordEncoderSecretProp = PasswordEncoderConfigs.SECRET
  val PasswordEncoderOldSecretProp = PasswordEncoderConfigs.OLD_SECRET
  val PasswordEncoderKeyFactoryAlgorithmProp = PasswordEncoderConfigs.KEYFACTORY_ALGORITHM
  val PasswordEncoderCipherAlgorithmProp = PasswordEncoderConfigs.CIPHER_ALGORITHM
  val PasswordEncoderKeyLengthProp = PasswordEncoderConfigs.KEY_LENGTH
  val PasswordEncoderIterationsProp = PasswordEncoderConfigs.ITERATIONS

  /** Internal Configurations **/
  val UnstableApiVersionsEnableProp = "unstable.api.versions.enable"
  val UnstableMetadataVersionsEnableProp = "unstable.metadata.versions.enable"

  /* Documentation */
  /** ********* General Configuration ***********/
  val BrokerIdGenerationEnableDoc = s"Enable automatic broker id generation on the server. When enabled the value configured for $MaxReservedBrokerIdProp should be reviewed."
  val MaxReservedBrokerIdDoc = "Max number that can be used for a broker.id"
  val BrokerIdDoc = "The broker id for this server. If unset, a unique broker id will be generated." +
  "To avoid conflicts between ZooKeeper generated broker id's and user configured broker id's, generated broker ids " +
  "start from " + MaxReservedBrokerIdProp + " + 1."
  val MessageMaxBytesDoc = TopicConfig.MAX_MESSAGE_BYTES_DOC +
    s"This can be set per topic with the topic level <code>${TopicConfig.MAX_MESSAGE_BYTES_CONFIG}</code> config."
  val NumNetworkThreadsDoc = s"The number of threads that the server uses for receiving requests from the network and sending responses to the network. Noted: each listener (except for controller listener) creates its own thread pool."
  val NumIoThreadsDoc = "The number of threads that the server uses for processing requests, which may include disk I/O"
  val NumReplicaAlterLogDirsThreadsDoc = "The number of threads that can move replicas between log directories, which may include disk I/O"
  val BackgroundThreadsDoc = "The number of threads to use for various background processing tasks"
  val QueuedMaxRequestsDoc = "The number of queued requests allowed for data-plane, before blocking the network threads"
  val QueuedMaxRequestBytesDoc = "The number of queued bytes allowed before no more requests are read"
  val RequestTimeoutMsDoc = CommonClientConfigs.REQUEST_TIMEOUT_MS_DOC
  val ConnectionSetupTimeoutMsDoc = CommonClientConfigs.SOCKET_CONNECTION_SETUP_TIMEOUT_MS_DOC
  val ConnectionSetupTimeoutMaxMsDoc = CommonClientConfigs.SOCKET_CONNECTION_SETUP_TIMEOUT_MAX_MS_DOC

  /** KRaft mode configs */
  val ProcessRolesDoc = "The roles that this process plays: 'broker', 'controller', or 'broker,controller' if it is both. " +
    "This configuration is only applicable for clusters in KRaft (Kafka Raft) mode (instead of ZooKeeper). Leave this config undefined or empty for ZooKeeper clusters."
  val InitialBrokerRegistrationTimeoutMsDoc = "When initially registering with the controller quorum, the number of milliseconds to wait before declaring failure and exiting the broker process."
  val BrokerHeartbeatIntervalMsDoc = "The length of time in milliseconds between broker heartbeats. Used when running in KRaft mode."
  val BrokerSessionTimeoutMsDoc = "The length of time in milliseconds that a broker lease lasts if no heartbeats are made. Used when running in KRaft mode."
  val NodeIdDoc = "The node ID associated with the roles this process is playing when <code>process.roles</code> is non-empty. " +
    "This is required configuration when running in KRaft mode."
  val MetadataLogDirDoc = "This configuration determines where we put the metadata log for clusters in KRaft mode. " +
    "If it is not set, the metadata log is placed in the first log directory from log.dirs."
  val MetadataSnapshotMaxNewRecordBytesDoc = "This is the maximum number of bytes in the log between the latest " +
    "snapshot and the high-watermark needed before generating a new snapshot. The default value is " +
    s"${Defaults.METADATA_SNAPSHOT_MAX_NEW_RECORD_BYTES}. To generate snapshots based on the time elapsed, see " +
    s"the <code>$MetadataSnapshotMaxIntervalMsProp</code> configuration. The Kafka node will generate a snapshot when " +
    "either the maximum time interval is reached or the maximum bytes limit is reached."
  val MetadataSnapshotMaxIntervalMsDoc = "This is the maximum number of milliseconds to wait to generate a snapshot " +
    "if there are committed records in the log that are not included in the latest snapshot. A value of zero disables " +
    s"time based snapshot generation. The default value is ${Defaults.METADATA_SNAPSHOT_MAX_INTERVAL_MS}. To generate " +
    s"snapshots based on the number of metadata bytes, see the <code>$MetadataSnapshotMaxNewRecordBytesProp</code> " +
    "configuration. The Kafka node will generate a snapshot when either the maximum time interval is reached or the " +
    "maximum bytes limit is reached."
  val MetadataMaxIdleIntervalMsDoc = "This configuration controls how often the active " +
    "controller should write no-op records to the metadata partition. If the value is 0, no-op records " +
    s"are not appended to the metadata partition. The default value is ${Defaults.METADATA_MAX_IDLE_INTERVAL_MS}"
  val ControllerListenerNamesDoc = "A comma-separated list of the names of the listeners used by the controller. This is required " +
    "if running in KRaft mode. When communicating with the controller quorum, the broker will always use the first listener in this list.\n " +
    "Note: The ZooKeeper-based controller should not set this configuration."
  val SaslMechanismControllerProtocolDoc = "SASL mechanism used for communication with controllers. Default is GSSAPI."
  val MetadataLogSegmentBytesDoc = "The maximum size of a single metadata log file."
  val MetadataLogSegmentMinBytesDoc = "Override the minimum size for a single metadata log file. This should be used for testing only."
  val ServerMaxStartupTimeMsDoc = "The maximum number of milliseconds we will wait for the server to come up. " +
  "By default there is no limit. This should be used for testing only."

  val MetadataLogSegmentMillisDoc = "The maximum time before a new metadata log file is rolled out (in milliseconds)."
  val MetadataMaxRetentionBytesDoc = "The maximum combined size of the metadata log and snapshots before deleting old " +
    "snapshots and log files. Since at least one snapshot must exist before any logs can be deleted, this is a soft limit."
  val MetadataMaxRetentionMillisDoc = "The number of milliseconds to keep a metadata log file or snapshot before " +
    "deleting it. Since at least one snapshot must exist before any logs can be deleted, this is a soft limit."

  /************* Authorizer Configuration ***********/
  val AuthorizerClassNameDoc = s"The fully qualified name of a class that implements <code>${classOf[Authorizer].getName}</code>" +
    " interface, which is used by the broker for authorization."
  val EarlyStartListenersDoc = "A comma-separated list of listener names which may be started before the authorizer has finished " +
   "initialization. This is useful when the authorizer is dependent on the cluster itself for bootstrapping, as is the case for " +
   "the StandardAuthorizer (which stores ACLs in the metadata log.) By default, all listeners included in controller.listener.names " +
   "will also be early start listeners. A listener should not appear in this list if it accepts external traffic."

  /** ********* Socket Server Configuration ***********/
  val ListenersDoc = "Listener List - Comma-separated list of URIs we will listen on and the listener names." +
    s" If the listener name is not a security protocol, <code>$ListenerSecurityProtocolMapProp</code> must also be set.\n" +
    " Listener names and port numbers must be unique unless \n" +
    " one listener is an IPv4 address and the other listener is \n" +
    " an IPv6 address (for the same port).\n" +
    " Specify hostname as 0.0.0.0 to bind to all interfaces.\n" +
    " Leave hostname empty to bind to default interface.\n" +
    " Examples of legal listener lists:\n" +
    " <code>PLAINTEXT://myhost:9092,SSL://:9091</code>\n" +
    " <code>CLIENT://0.0.0.0:9092,REPLICATION://localhost:9093</code>\n" +
    " <code>PLAINTEXT://127.0.0.1:9092,SSL://[::1]:9092</code>\n"
  val AdvertisedListenersDoc = s"Listeners to publish to ZooKeeper for clients to use, if different than the <code>$ListenersProp</code> config property." +
    " In IaaS environments, this may need to be different from the interface to which the broker binds." +
    s" If this is not set, the value for <code>$ListenersProp</code> will be used." +
    s" Unlike <code>$ListenersProp</code>, it is not valid to advertise the 0.0.0.0 meta-address.\n" +
    s" Also unlike <code>$ListenersProp</code>, there can be duplicated ports in this property," +
    " so that one listener can be configured to advertise another listener's address." +
    " This can be useful in some cases where external load balancers are used."
  val ListenerSecurityProtocolMapDoc = "Map between listener names and security protocols. This must be defined for " +
    "the same security protocol to be usable in more than one port or IP. For example, internal and " +
    "external traffic can be separated even if SSL is required for both. Concretely, the user could define listeners " +
    "with names INTERNAL and EXTERNAL and this property as: <code>INTERNAL:SSL,EXTERNAL:SSL</code>. As shown, key and value are " +
    "separated by a colon and map entries are separated by commas. Each listener name should only appear once in the map. " +
    "Different security (SSL and SASL) settings can be configured for each listener by adding a normalised " +
    "prefix (the listener name is lowercased) to the config name. For example, to set a different keystore for the " +
    "INTERNAL listener, a config with name <code>listener.name.internal.ssl.keystore.location</code> would be set. " +
    "If the config for the listener name is not set, the config will fallback to the generic config (i.e. <code>ssl.keystore.location</code>). " +
    "Note that in KRaft a default mapping from the listener names defined by <code>controller.listener.names</code> to PLAINTEXT " +
    "is assumed if no explicit mapping is provided and no other security protocol is in use."
  val controlPlaneListenerNameDoc = "Name of listener used for communication between controller and brokers. " +
    s"A broker will use the <code>$ControlPlaneListenerNameProp</code> to locate the endpoint in $ListenersProp list, to listen for connections from the controller. " +
    "For example, if a broker's config is:\n" +
    "<code>listeners = INTERNAL://192.1.1.8:9092, EXTERNAL://10.1.1.5:9093, CONTROLLER://192.1.1.8:9094" +
    "listener.security.protocol.map = INTERNAL:PLAINTEXT, EXTERNAL:SSL, CONTROLLER:SSL" +
    "control.plane.listener.name = CONTROLLER</code>\n" +
    "On startup, the broker will start listening on \"192.1.1.8:9094\" with security protocol \"SSL\".\n" +
    s"On the controller side, when it discovers a broker's published endpoints through ZooKeeper, it will use the <code>$ControlPlaneListenerNameProp</code> " +
    "to find the endpoint, which it will use to establish connection to the broker.\n" +
    "For example, if the broker's published endpoints on ZooKeeper are:\n" +
    " <code>\"endpoints\" : [\"INTERNAL://broker1.example.com:9092\",\"EXTERNAL://broker1.example.com:9093\",\"CONTROLLER://broker1.example.com:9094\"]</code>\n" +
    " and the controller's config is:\n" +
    "<code>listener.security.protocol.map = INTERNAL:PLAINTEXT, EXTERNAL:SSL, CONTROLLER:SSL" +
    "control.plane.listener.name = CONTROLLER</code>\n" +
    "then the controller will use \"broker1.example.com:9094\" with security protocol \"SSL\" to connect to the broker.\n" +
    "If not explicitly configured, the default value will be null and there will be no dedicated endpoints for controller connections.\n" +
    s"If explicitly configured, the value cannot be the same as the value of <code>${ReplicationConfigs.INTER_BROKER_LISTENER_NAME_CONFIG}</code>."

  val SocketSendBufferBytesDoc = "The SO_SNDBUF buffer of the socket server sockets. If the value is -1, the OS default will be used."
  val SocketReceiveBufferBytesDoc = "The SO_RCVBUF buffer of the socket server sockets. If the value is -1, the OS default will be used."
  val SocketRequestMaxBytesDoc = "The maximum number of bytes in a socket request"
  val SocketListenBacklogSizeDoc = "The maximum number of pending connections on the socket. " +
    "In Linux, you may also need to configure <code>somaxconn</code> and <code>tcp_max_syn_backlog</code> kernel parameters " +
    "accordingly to make the configuration takes effect."
  val MaxConnectionsPerIpDoc = "The maximum number of connections we allow from each ip address. This can be set to 0 if there are overrides " +
    s"configured using $MaxConnectionsPerIpOverridesProp property. New connections from the ip address are dropped if the limit is reached."
  val MaxConnectionsPerIpOverridesDoc = "A comma-separated list of per-ip or hostname overrides to the default maximum number of connections. " +
    "An example value is \"hostName:100,127.0.0.1:200\""
  val MaxConnectionsDoc = "The maximum number of connections we allow in the broker at any time. This limit is applied in addition " +
    s"to any per-ip limits configured using $MaxConnectionsPerIpProp. Listener-level limits may also be configured by prefixing the " +
    s"config name with the listener prefix, for example, <code>listener.name.internal.$MaxConnectionsProp</code>. Broker-wide limit " +
    "should be configured based on broker capacity while listener limits should be configured based on application requirements. " +
    "New connections are blocked if either the listener or broker limit is reached. Connections on the inter-broker listener are " +
    "permitted even if broker-wide limit is reached. The least recently used connection on another listener will be closed in this case."
  val MaxConnectionCreationRateDoc = "The maximum connection creation rate we allow in the broker at any time. Listener-level limits " +
    s"may also be configured by prefixing the config name with the listener prefix, for example, <code>listener.name.internal.$MaxConnectionCreationRateProp</code>." +
    "Broker-wide connection rate limit should be configured based on broker capacity while listener limits should be configured based on " +
    "application requirements. New connections will be throttled if either the listener or the broker limit is reached, with the exception " +
    "of inter-broker listener. Connections on the inter-broker listener will be throttled only when the listener-level rate limit is reached."
  val ConnectionsMaxIdleMsDoc = "Idle connections timeout: the server socket processor threads close the connections that idle more than this"
  val FailedAuthenticationDelayMsDoc = "Connection close delay on failed authentication: this is the time (in milliseconds) by which connection close will be delayed on authentication failure. " +
    s"This must be configured to be less than $ConnectionsMaxIdleMsProp to prevent connection timeout."
  /************* Rack Configuration **************/
  val RackDoc = "Rack of the broker. This will be used in rack aware replication assignment for fault tolerance. Examples: <code>RACK1</code>, <code>us-east-1d</code>"

  /** ********* Controlled shutdown configuration ***********/
  val ControlledShutdownMaxRetriesDoc = "Controlled shutdown can fail for multiple reasons. This determines the number of retries when such failure happens"
  val ControlledShutdownRetryBackoffMsDoc = "Before each retry, the system needs time to recover from the state that caused the previous failure (Controller fail over, replica lag etc). This config determines the amount of time to wait before retrying."
  val ControlledShutdownEnableDoc = "Enable controlled shutdown of the server."

  /** ********* Fetch Configuration **************/
  val MaxIncrementalFetchSessionCacheSlotsDoc = "The maximum number of incremental fetch sessions that we will maintain."
  val FetchMaxBytesDoc = "The maximum number of bytes we will return for a fetch request. Must be at least 1024."

  /** ********* Request Limit Configuration **************/
  val MaxRequestPartitionSizeLimitDoc = "The maximum number of partitions can be served in one request."

  /** ********* Quota Configuration ***********/
  val NumQuotaSamplesDoc = "The number of samples to retain in memory for client quotas"
  val NumReplicationQuotaSamplesDoc = "The number of samples to retain in memory for replication quotas"
  val NumAlterLogDirsReplicationQuotaSamplesDoc = "The number of samples to retain in memory for alter log dirs replication quotas"
  val NumControllerQuotaSamplesDoc = "The number of samples to retain in memory for controller mutation quotas"
  val QuotaWindowSizeSecondsDoc = "The time span of each sample for client quotas"
  val ReplicationQuotaWindowSizeSecondsDoc = "The time span of each sample for replication quotas"
  val AlterLogDirsReplicationQuotaWindowSizeSecondsDoc = "The time span of each sample for alter log dirs replication quotas"
  val ControllerQuotaWindowSizeSecondsDoc = "The time span of each sample for controller mutations quotas"

  val ClientQuotaCallbackClassDoc = "The fully qualified name of a class that implements the ClientQuotaCallback interface, " +
    "which is used to determine quota limits applied to client requests. By default, the &lt;user&gt; and &lt;client-id&gt; " +
    "quotas that are stored in ZooKeeper are applied. For any given request, the most specific quota that matches the user principal " +
    "of the session and the client-id of the request is applied."

  val DeleteTopicEnableDoc = "Enables delete topic. Delete topic through the admin tool will have no effect if this config is turned off"
  val CompressionTypeDoc = "Specify the final compression type for a given topic. This configuration accepts the standard compression codecs " +
  "('gzip', 'snappy', 'lz4', 'zstd'). It additionally accepts 'uncompressed' which is equivalent to no compression; and " +
  "'producer' which means retain the original compression codec set by the producer."

  /** ********* Kafka Metrics Configuration ***********/
  val MetricSampleWindowMsDoc = CommonClientConfigs.METRICS_SAMPLE_WINDOW_MS_DOC
  val MetricNumSamplesDoc = CommonClientConfigs.METRICS_NUM_SAMPLES_DOC
  val MetricReporterClassesDoc = CommonClientConfigs.METRIC_REPORTER_CLASSES_DOC
  val MetricRecordingLevelDoc = CommonClientConfigs.METRICS_RECORDING_LEVEL_DOC
  val AutoIncludeJmxReporterDoc = CommonClientConfigs.AUTO_INCLUDE_JMX_REPORTER_DOC


  /** ********* Kafka Yammer Metrics Reporter Configuration ***********/
  val KafkaMetricsReporterClassesDoc = "A list of classes to use as Yammer metrics custom reporters." +
    " The reporters should implement <code>kafka.metrics.KafkaMetricsReporter</code> trait. If a client wants" +
    " to expose JMX operations on a custom reporter, the custom reporter needs to additionally implement an MBean" +
    " trait that extends <code>kafka.metrics.KafkaMetricsReporterMBean</code> trait so that the registered MBean is compliant with" +
    " the standard MBean convention."

  val KafkaMetricsPollingIntervalSecondsDoc = s"The metrics polling interval (in seconds) which can be used" +
    s" in $KafkaMetricsReporterClassesProp implementations."

  /** ********* Kafka Client Telemetry Metrics Configuration ***********/
  val ClientTelemetryMaxBytesDoc = "The maximum size (after compression if compression is used) of" +
    " telemetry metrics pushed from a client to the broker. The default value is 1048576 (1 MB)."

  /** ********* Delegation Token Configuration ****************/
  val DelegationTokenSecretKeyAliasDoc = s"DEPRECATED: An alias for $DelegationTokenSecretKeyProp, which should be used instead of this config."
  val DelegationTokenSecretKeyDoc = "Secret key to generate and verify delegation tokens. The same key must be configured across all the brokers. " +
    " If using Kafka with KRaft, the key must also be set across all controllers. " +
    " If the key is not set or set to empty string, brokers will disable the delegation token support."
  val DelegationTokenMaxLifeTimeDoc = "The token has a maximum lifetime beyond which it cannot be renewed anymore. Default value 7 days."
  val DelegationTokenExpiryTimeMsDoc = "The token validity time in milliseconds before the token needs to be renewed. Default value 1 day."
  val DelegationTokenExpiryCheckIntervalDoc = "Scan interval to remove expired delegation tokens."

  /** ********* Password encryption configuration for dynamic configs *********/
  val PasswordEncoderSecretDoc = "The secret used for encoding dynamically configured passwords for this broker."
  val PasswordEncoderOldSecretDoc = "The old secret that was used for encoding dynamically configured passwords. " +
    "This is required only when the secret is updated. If specified, all dynamically encoded passwords are " +
    s"decoded using this old secret and re-encoded using $PasswordEncoderSecretProp when broker starts up."
  val PasswordEncoderKeyFactoryAlgorithmDoc = "The SecretKeyFactory algorithm used for encoding dynamically configured passwords. " +
    "Default is PBKDF2WithHmacSHA512 if available and PBKDF2WithHmacSHA1 otherwise."
  val PasswordEncoderCipherAlgorithmDoc = "The Cipher algorithm used for encoding dynamically configured passwords."
  val PasswordEncoderKeyLengthDoc =  "The key length used for encoding dynamically configured passwords."
  val PasswordEncoderIterationsDoc =  "The iteration count used for encoding dynamically configured passwords."

  @nowarn("cat=deprecation")
  val configDef = {
    import ConfigDef.Importance._
    import ConfigDef.Range._
    import ConfigDef.Type._
    import ConfigDef.ValidString._

    new ConfigDef()

      /** ********* Zookeeper Configuration ***********/
      .define(ZkConfigs.ZK_CONNECT_CONFIG, STRING, null, HIGH, ZkConfigs.ZK_CONNECT_DOC)
      .define(ZkConfigs.ZK_SESSION_TIMEOUT_MS_CONFIG, INT, ZkConfigs.ZK_SESSION_TIMEOUT_MS, HIGH, ZkConfigs.ZK_SESSION_TIMEOUT_MS_DOC)
      .define(ZkConfigs.ZK_CONNECTION_TIMEOUT_MS_CONFIG, INT, null, HIGH, ZkConfigs.ZK_CONNECTION_TIMEOUT_MS_DOC)
      .define(ZkConfigs.ZK_ENABLE_SECURE_ACLS_CONFIG, BOOLEAN, ZkConfigs.ZK_ENABLE_SECURE_ACLS, HIGH, ZkConfigs.ZK_ENABLE_SECURE_ACLS_DOC)
      .define(ZkConfigs.ZK_MAX_IN_FLIGHT_REQUESTS_CONFIG, INT, ZkConfigs.ZK_MAX_IN_FLIGHT_REQUESTS, atLeast(1), HIGH, ZkConfigs.ZK_MAX_IN_FLIGHT_REQUESTS_DOC)
      .define(ZkConfigs.ZK_SSL_CLIENT_ENABLE_CONFIG, BOOLEAN, ZkConfigs.ZK_SSL_CLIENT_ENABLE, MEDIUM, ZkConfigs.ZK_SSL_CLIENT_ENABLE_DOC)
      .define(ZkConfigs.ZK_CLIENT_CNXN_SOCKET_CONFIG, STRING, null, MEDIUM, ZkConfigs.ZK_CLIENT_CNXN_SOCKET_DOC)
      .define(ZkConfigs.ZK_SSL_KEY_STORE_LOCATION_CONFIG, STRING, null, MEDIUM, ZkConfigs.ZK_SSL_KEY_STORE_LOCATION_DOC)
      .define(ZkConfigs.ZK_SSL_KEY_STORE_PASSWORD_CONFIG, PASSWORD, null, MEDIUM, ZkConfigs.ZK_SSL_KEY_STORE_PASSWORD_DOC)
      .define(ZkConfigs.ZK_SSL_KEY_STORE_TYPE_CONFIG, STRING, null, MEDIUM, ZkConfigs.ZK_SSL_KEY_STORE_TYPE_DOC)
      .define(ZkConfigs.ZK_SSL_TRUST_STORE_LOCATION_CONFIG, STRING, null, MEDIUM, ZkConfigs.ZK_SSL_TRUST_STORE_LOCATION_DOC)
      .define(ZkConfigs.ZK_SSL_TRUST_STORE_PASSWORD_CONFIG, PASSWORD, null, MEDIUM, ZkConfigs.ZK_SSL_TRUST_STORE_PASSWORD_DOC)
      .define(ZkConfigs.ZK_SSL_TRUST_STORE_TYPE_CONFIG, STRING, null, MEDIUM, ZkConfigs.ZK_SSL_TRUST_STORE_TYPE_DOC)
      .define(ZkConfigs.ZK_SSL_PROTOCOL_CONFIG, STRING, ZkConfigs.ZK_SSL_PROTOCOL, LOW, ZkConfigs.ZK_SSL_PROTOCOL_DOC)
      .define(ZkConfigs.ZK_SSL_ENABLED_PROTOCOLS_CONFIG, LIST, null, LOW, ZkConfigs.ZK_SSL_ENABLED_PROTOCOLS_DOC)
      .define(ZkConfigs.ZK_SSL_CIPHER_SUITES_CONFIG, LIST, null, LOW, ZkConfigs.ZK_SSL_CIPHER_SUITES_DOC)
      .define(ZkConfigs.ZK_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_CONFIG, STRING, ZkConfigs.ZK_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM, LOW, ZkConfigs.ZK_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_DOC)
      .define(ZkConfigs.ZK_SSL_CRL_ENABLE_CONFIG, BOOLEAN, ZkConfigs.ZK_SSL_CRL_ENABLE, LOW, ZkConfigs.ZK_SSL_CRL_ENABLE_DOC)
      .define(ZkConfigs.ZK_SSL_OCSP_ENABLE_CONFIG, BOOLEAN, ZkConfigs.ZK_SSL_OCSP_ENABLE, LOW, ZkConfigs.ZK_SSL_OCSP_ENABLE_DOC)

      /** ********* General Configuration ***********/
      .define(BrokerIdGenerationEnableProp, BOOLEAN, Defaults.BROKER_ID_GENERATION_ENABLE, MEDIUM, BrokerIdGenerationEnableDoc)
      .define(MaxReservedBrokerIdProp, INT, Defaults.MAX_RESERVED_BROKER_ID, atLeast(0), MEDIUM, MaxReservedBrokerIdDoc)
      .define(BrokerIdProp, INT, Defaults.BROKER_ID, HIGH, BrokerIdDoc)
      .define(MessageMaxBytesProp, INT, LogConfig.DEFAULT_MAX_MESSAGE_BYTES, atLeast(0), HIGH, MessageMaxBytesDoc)
      .define(NumNetworkThreadsProp, INT, Defaults.NUM_NETWORK_THREADS, atLeast(1), HIGH, NumNetworkThreadsDoc)
      .define(NumIoThreadsProp, INT, Defaults.NUM_IO_THREADS, atLeast(1), HIGH, NumIoThreadsDoc)
      .define(NumReplicaAlterLogDirsThreadsProp, INT, null, HIGH, NumReplicaAlterLogDirsThreadsDoc)
      .define(BackgroundThreadsProp, INT, Defaults.BACKGROUND_THREADS, atLeast(1), HIGH, BackgroundThreadsDoc)
      .define(QueuedMaxRequestsProp, INT, Defaults.QUEUED_MAX_REQUESTS, atLeast(1), HIGH, QueuedMaxRequestsDoc)
      .define(QueuedMaxBytesProp, LONG, Defaults.QUEUED_MAX_REQUEST_BYTES, MEDIUM, QueuedMaxRequestBytesDoc)
      .define(RequestTimeoutMsProp, INT, Defaults.REQUEST_TIMEOUT_MS, HIGH, RequestTimeoutMsDoc)
      .define(ConnectionSetupTimeoutMsProp, LONG, Defaults.CONNECTION_SETUP_TIMEOUT_MS, MEDIUM, ConnectionSetupTimeoutMsDoc)
      .define(ConnectionSetupTimeoutMaxMsProp, LONG, Defaults.CONNECTION_SETUP_TIMEOUT_MAX_MS, MEDIUM, ConnectionSetupTimeoutMaxMsDoc)

      /*
       * KRaft mode configs.
       */
      .define(MetadataSnapshotMaxNewRecordBytesProp, LONG, Defaults.METADATA_SNAPSHOT_MAX_NEW_RECORD_BYTES, atLeast(1), HIGH, MetadataSnapshotMaxNewRecordBytesDoc)
      .define(MetadataSnapshotMaxIntervalMsProp, LONG, Defaults.METADATA_SNAPSHOT_MAX_INTERVAL_MS, atLeast(0), HIGH, MetadataSnapshotMaxIntervalMsDoc)
      .define(ProcessRolesProp, LIST, Collections.emptyList(), ValidList.in("broker", "controller"), HIGH, ProcessRolesDoc)
      .define(NodeIdProp, INT, Defaults.EMPTY_NODE_ID, null, HIGH, NodeIdDoc)
      .define(InitialBrokerRegistrationTimeoutMsProp, INT, Defaults.INITIAL_BROKER_REGISTRATION_TIMEOUT_MS, null, MEDIUM, InitialBrokerRegistrationTimeoutMsDoc)
      .define(BrokerHeartbeatIntervalMsProp, INT, Defaults.BROKER_HEARTBEAT_INTERVAL_MS, null, MEDIUM, BrokerHeartbeatIntervalMsDoc)
      .define(BrokerSessionTimeoutMsProp, INT, Defaults.BROKER_SESSION_TIMEOUT_MS, null, MEDIUM, BrokerSessionTimeoutMsDoc)
      .define(ControllerListenerNamesProp, STRING, null, null, HIGH, ControllerListenerNamesDoc)
      .define(SaslMechanismControllerProtocolProp, STRING, SaslConfigs.DEFAULT_SASL_MECHANISM, null, HIGH, SaslMechanismControllerProtocolDoc)
      .define(MetadataLogDirProp, STRING, null, null, HIGH, MetadataLogDirDoc)
      .define(MetadataLogSegmentBytesProp, INT, LogConfig.DEFAULT_SEGMENT_BYTES, atLeast(Records.LOG_OVERHEAD), HIGH, MetadataLogSegmentBytesDoc)
      .defineInternal(MetadataLogSegmentMinBytesProp, INT, 8 * 1024 * 1024, atLeast(Records.LOG_OVERHEAD), HIGH, MetadataLogSegmentMinBytesDoc)
      .define(MetadataLogSegmentMillisProp, LONG, LogConfig.DEFAULT_SEGMENT_MS, null, HIGH, MetadataLogSegmentMillisDoc)
      .define(MetadataMaxRetentionBytesProp, LONG, Defaults.METADATA_MAX_RETENTION_BYTES, null, HIGH, MetadataMaxRetentionBytesDoc)
      .define(MetadataMaxRetentionMillisProp, LONG, LogConfig.DEFAULT_RETENTION_MS, null, HIGH, MetadataMaxRetentionMillisDoc)
      .define(MetadataMaxIdleIntervalMsProp, INT, Defaults.METADATA_MAX_IDLE_INTERVAL_MS, atLeast(0), LOW, MetadataMaxIdleIntervalMsDoc)
      .defineInternal(ServerMaxStartupTimeMsProp, LONG, Defaults.SERVER_MAX_STARTUP_TIME_MS, atLeast(0), MEDIUM, ServerMaxStartupTimeMsDoc)
      .define(MigrationEnabledProp, BOOLEAN, false, HIGH, "Enable ZK to KRaft migration")
      .define(ElrEnabledProp, BOOLEAN, false, HIGH, "Enable the Eligible leader replicas")
      .defineInternal(MigrationMetadataMinBatchSizeProp, INT, Defaults.MIGRATION_METADATA_MIN_BATCH_SIZE, atLeast(1),
        MEDIUM, "Soft minimum batch size to use when migrating metadata from ZooKeeper to KRaft")

      /************* Authorizer Configuration ***********/
      .define(AuthorizerClassNameProp, STRING, Defaults.AUTHORIZER_CLASS_NAME, new ConfigDef.NonNullValidator(), LOW, AuthorizerClassNameDoc)
      .define(EarlyStartListenersProp, STRING, null,  HIGH, EarlyStartListenersDoc)

      /** ********* Socket Server Configuration ***********/
      .define(ListenersProp, STRING, Defaults.LISTENERS, HIGH, ListenersDoc)
      .define(AdvertisedListenersProp, STRING, null, HIGH, AdvertisedListenersDoc)
      .define(ListenerSecurityProtocolMapProp, STRING, Defaults.LISTENER_SECURITY_PROTOCOL_MAP, LOW, ListenerSecurityProtocolMapDoc)
      .define(ControlPlaneListenerNameProp, STRING, null, HIGH, controlPlaneListenerNameDoc)
      .define(SocketSendBufferBytesProp, INT, Defaults.SOCKET_SEND_BUFFER_BYTES, HIGH, SocketSendBufferBytesDoc)
      .define(SocketReceiveBufferBytesProp, INT, Defaults.SOCKET_RECEIVE_BUFFER_BYTES, HIGH, SocketReceiveBufferBytesDoc)
      .define(SocketRequestMaxBytesProp, INT, Defaults.SOCKET_REQUEST_MAX_BYTES, atLeast(1), HIGH, SocketRequestMaxBytesDoc)
      .define(SocketListenBacklogSizeProp, INT, Defaults.SOCKET_LISTEN_BACKLOG_SIZE, atLeast(1), MEDIUM, SocketListenBacklogSizeDoc)
      .define(MaxConnectionsPerIpProp, INT, Defaults.MAX_CONNECTIONS_PER_IP, atLeast(0), MEDIUM, MaxConnectionsPerIpDoc)
      .define(MaxConnectionsPerIpOverridesProp, STRING, Defaults.MAX_CONNECTIONS_PER_IP_OVERRIDES, MEDIUM, MaxConnectionsPerIpOverridesDoc)
      .define(MaxConnectionsProp, INT, Defaults.MAX_CONNECTIONS, atLeast(0), MEDIUM, MaxConnectionsDoc)
      .define(MaxConnectionCreationRateProp, INT, Defaults.MAX_CONNECTION_CREATION_RATE, atLeast(0), MEDIUM, MaxConnectionCreationRateDoc)
      .define(ConnectionsMaxIdleMsProp, LONG, Defaults.CONNECTIONS_MAX_IDLE_MS, MEDIUM, ConnectionsMaxIdleMsDoc)
      .define(FailedAuthenticationDelayMsProp, INT, Defaults.FAILED_AUTHENTICATION_DELAY_MS, atLeast(0), LOW, FailedAuthenticationDelayMsDoc)

      /************ Rack Configuration ******************/
      .define(RackProp, STRING, null, MEDIUM, RackDoc)

      /** ********* Log Configuration ***********/
      .define(ServerLogConfigs.NUM_PARTITIONS_CONFIG, INT, ServerLogConfigs.NUM_PARTITIONS_DEFAULT, atLeast(1), MEDIUM, ServerLogConfigs.NUM_PARTITIONS_DOC)
      .define(ServerLogConfigs.LOG_DIR_CONFIG, STRING, ServerLogConfigs.LOG_DIR_DEFAULT, HIGH, ServerLogConfigs.LOG_DIR_DOC)
      .define(ServerLogConfigs.LOG_DIRS_CONFIG, STRING, null, HIGH, ServerLogConfigs.LOG_DIRS_DOC)
      .define(ServerLogConfigs.LOG_SEGMENT_BYTES_CONFIG, INT, LogConfig.DEFAULT_SEGMENT_BYTES, atLeast(LegacyRecord.RECORD_OVERHEAD_V0), HIGH, ServerLogConfigs.LOG_SEGMENT_BYTES_DOC)

      .define(ServerLogConfigs.LOG_ROLL_TIME_MILLIS_CONFIG, LONG, null, HIGH, ServerLogConfigs.LOG_ROLL_TIME_MILLIS_DOC)
      .define(ServerLogConfigs.LOG_ROLL_TIME_HOURS_CONFIG, INT, TimeUnit.MILLISECONDS.toHours(LogConfig.DEFAULT_SEGMENT_MS).toInt, atLeast(1), HIGH, ServerLogConfigs.LOG_ROLL_TIME_HOURS_DOC)

      .define(ServerLogConfigs.LOG_ROLL_TIME_JITTER_MILLIS_CONFIG, LONG, null, HIGH, ServerLogConfigs.LOG_ROLL_TIME_JITTER_MILLIS_DOC)
      .define(ServerLogConfigs.LOG_ROLL_TIME_JITTER_HOURS_CONFIG, INT, TimeUnit.MILLISECONDS.toHours(LogConfig.DEFAULT_SEGMENT_JITTER_MS).toInt, atLeast(0), HIGH, ServerLogConfigs.LOG_ROLL_TIME_JITTER_HOURS_DOC)

      .define(ServerLogConfigs.LOG_RETENTION_TIME_MILLIS_CONFIG, LONG, null, HIGH, ServerLogConfigs.LOG_RETENTION_TIME_MILLIS_DOC)
      .define(ServerLogConfigs.LOG_RETENTION_TIME_MINUTES_CONFIG, INT, null, HIGH, ServerLogConfigs.LOG_RETENTION_TIME_MINUTES_DOC)
      .define(ServerLogConfigs.LOG_RETENTION_TIME_HOURS_CONFIG, INT, TimeUnit.MILLISECONDS.toHours(LogConfig.DEFAULT_RETENTION_MS).toInt, HIGH, ServerLogConfigs.LOG_RETENTION_TIME_HOURS_DOC)

      .define(ServerLogConfigs.LOG_RETENTION_BYTES_CONFIG, LONG, ServerLogConfigs.LOG_RETENTION_BYTES_DEFAULT, HIGH, ServerLogConfigs.LOG_RETENTION_BYTES_DOC)
      .define(ServerLogConfigs.LOG_CLEANUP_INTERVAL_MS_CONFIG, LONG, ServerLogConfigs.LOG_CLEANUP_INTERVAL_MS_DEFAULT, atLeast(1), MEDIUM, ServerLogConfigs.LOG_CLEANUP_INTERVAL_MS_DOC)
      .define(ServerLogConfigs.LOG_CLEANUP_POLICY_CONFIG, LIST, ServerLogConfigs.LOG_CLEANUP_POLICY_DEFAULT, ValidList.in(TopicConfig.CLEANUP_POLICY_COMPACT, TopicConfig.CLEANUP_POLICY_DELETE), MEDIUM, ServerLogConfigs.LOG_CLEANUP_POLICY_DOC)
      .define(CleanerConfig.LOG_CLEANER_THREADS_PROP, INT, CleanerConfig.LOG_CLEANER_THREADS, atLeast(0), MEDIUM, CleanerConfig.LOG_CLEANER_THREADS_DOC)
      .define(CleanerConfig.LOG_CLEANER_IO_MAX_BYTES_PER_SECOND_PROP, DOUBLE, CleanerConfig.LOG_CLEANER_IO_MAX_BYTES_PER_SECOND, MEDIUM, CleanerConfig.LOG_CLEANER_IO_MAX_BYTES_PER_SECOND_DOC)
      .define(CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_SIZE_PROP, LONG, CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_SIZE, MEDIUM, CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_SIZE_DOC)
      .define(CleanerConfig.LOG_CLEANER_IO_BUFFER_SIZE_PROP, INT, CleanerConfig.LOG_CLEANER_IO_BUFFER_SIZE, atLeast(0), MEDIUM, CleanerConfig.LOG_CLEANER_IO_BUFFER_SIZE_DOC)
      .define(CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_LOAD_FACTOR_PROP, DOUBLE, CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_LOAD_FACTOR, MEDIUM, CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_LOAD_FACTOR_DOC)
      .define(CleanerConfig.LOG_CLEANER_BACKOFF_MS_PROP, LONG, CleanerConfig.LOG_CLEANER_BACKOFF_MS, atLeast(0), MEDIUM, CleanerConfig.LOG_CLEANER_BACKOFF_MS_DOC)
      .define(CleanerConfig.LOG_CLEANER_MIN_CLEAN_RATIO_PROP, DOUBLE, LogConfig.DEFAULT_MIN_CLEANABLE_DIRTY_RATIO, between(0, 1), MEDIUM, CleanerConfig.LOG_CLEANER_MIN_CLEAN_RATIO_DOC)
      .define(CleanerConfig.LOG_CLEANER_ENABLE_PROP, BOOLEAN, CleanerConfig.LOG_CLEANER_ENABLE, MEDIUM, CleanerConfig.LOG_CLEANER_ENABLE_DOC)
      .define(CleanerConfig.LOG_CLEANER_DELETE_RETENTION_MS_PROP, LONG, LogConfig.DEFAULT_DELETE_RETENTION_MS, atLeast(0), MEDIUM, CleanerConfig.LOG_CLEANER_DELETE_RETENTION_MS_DOC)
      .define(CleanerConfig.LOG_CLEANER_MIN_COMPACTION_LAG_MS_PROP, LONG, LogConfig.DEFAULT_MIN_COMPACTION_LAG_MS, atLeast(0), MEDIUM, CleanerConfig.LOG_CLEANER_MIN_COMPACTION_LAG_MS_DOC)
      .define(CleanerConfig.LOG_CLEANER_MAX_COMPACTION_LAG_MS_PROP, LONG, LogConfig.DEFAULT_MAX_COMPACTION_LAG_MS, atLeast(1), MEDIUM, CleanerConfig.LOG_CLEANER_MAX_COMPACTION_LAG_MS_DOC)
      .define(ServerLogConfigs.LOG_INDEX_SIZE_MAX_BYTES_CONFIG, INT, ServerLogConfigs.LOG_INDEX_SIZE_MAX_BYTES_DEFAULT, atLeast(4), MEDIUM, ServerLogConfigs.LOG_INDEX_SIZE_MAX_BYTES_DOC)
      .define(ServerLogConfigs.LOG_INDEX_INTERVAL_BYTES_CONFIG, INT, ServerLogConfigs.LOG_INDEX_INTERVAL_BYTES_DEFAULT, atLeast(0), MEDIUM, ServerLogConfigs.LOG_INDEX_INTERVAL_BYTES_DOC)
      .define(ServerLogConfigs.LOG_FLUSH_INTERVAL_MESSAGES_CONFIG, LONG, ServerLogConfigs.LOG_FLUSH_INTERVAL_MESSAGES_DEFAULT, atLeast(1), HIGH, ServerLogConfigs.LOG_FLUSH_INTERVAL_MESSAGES_DOC)
      .define(ServerLogConfigs.LOG_DELETE_DELAY_MS_CONFIG, LONG, ServerLogConfigs.LOG_DELETE_DELAY_MS_DEFAULT, atLeast(0), HIGH, ServerLogConfigs.LOG_DELETE_DELAY_MS_DOC)
      .define(ServerLogConfigs.LOG_FLUSH_SCHEDULER_INTERVAL_MS_CONFIG, LONG, ServerLogConfigs.LOG_FLUSH_SCHEDULER_INTERVAL_MS_DEFAULT, HIGH, ServerLogConfigs.LOG_FLUSH_SCHEDULER_INTERVAL_MS_DOC)
      .define(ServerLogConfigs.LOG_FLUSH_INTERVAL_MS_CONFIG, LONG, null, HIGH, ServerLogConfigs.LOG_FLUSH_INTERVAL_MS_DOC)
      .define(ServerLogConfigs.LOG_FLUSH_OFFSET_CHECKPOINT_INTERVAL_MS_CONFIG, INT, ServerLogConfigs.LOG_FLUSH_OFFSET_CHECKPOINT_INTERVAL_MS_DEFAULT, atLeast(0), HIGH, ServerLogConfigs.LOG_FLUSH_OFFSET_CHECKPOINT_INTERVAL_MS_DOC)
      .define(ServerLogConfigs.LOG_FLUSH_START_OFFSET_CHECKPOINT_INTERVAL_MS_CONFIG, INT, ServerLogConfigs.LOG_FLUSH_START_OFFSET_CHECKPOINT_INTERVAL_MS_DEFAULT, atLeast(0), HIGH, ServerLogConfigs.LOG_FLUSH_START_OFFSET_CHECKPOINT_INTERVAL_MS_DOC)
      .define(ServerLogConfigs.LOG_PRE_ALLOCATE_CONFIG, BOOLEAN, LogConfig.DEFAULT_PREALLOCATE, MEDIUM, ServerLogConfigs.LOG_PRE_ALLOCATE_ENABLE_DOC)
      .define(ServerLogConfigs.NUM_RECOVERY_THREADS_PER_DATA_DIR_CONFIG, INT, ServerLogConfigs.NUM_RECOVERY_THREADS_PER_DATA_DIR_DEFAULT, atLeast(1), HIGH, ServerLogConfigs.NUM_RECOVERY_THREADS_PER_DATA_DIR_DOC)
      .define(ServerLogConfigs.AUTO_CREATE_TOPICS_ENABLE_CONFIG, BOOLEAN, ServerLogConfigs.AUTO_CREATE_TOPICS_ENABLE_DEFAULT, HIGH, ServerLogConfigs.AUTO_CREATE_TOPICS_ENABLE_DOC)
      .define(ServerLogConfigs.MIN_IN_SYNC_REPLICAS_CONFIG, INT, ServerLogConfigs.MIN_IN_SYNC_REPLICAS_DEFAULT, atLeast(1), HIGH, ServerLogConfigs.MIN_IN_SYNC_REPLICAS_DOC)
      .define(ServerLogConfigs.LOG_MESSAGE_FORMAT_VERSION_CONFIG, STRING, ServerLogConfigs.LOG_MESSAGE_FORMAT_VERSION_DEFAULT, new MetadataVersionValidator(), MEDIUM, ServerLogConfigs.LOG_MESSAGE_FORMAT_VERSION_DOC)
      .define(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_TYPE_CONFIG, STRING, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_TYPE_DEFAULT, ConfigDef.ValidString.in("CreateTime", "LogAppendTime"), MEDIUM, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_TYPE_DOC)
      .define(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_DIFFERENCE_MAX_MS_CONFIG, LONG, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_DIFFERENCE_MAX_MS_DEFAULT, atLeast(0), MEDIUM, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_DIFFERENCE_MAX_MS_DOC)
      .define(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_BEFORE_MAX_MS_CONFIG, LONG, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_BEFORE_MAX_MS_DEFAULT, atLeast(0), MEDIUM, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_BEFORE_MAX_MS_DOC)
      .define(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_AFTER_MAX_MS_CONFIG, LONG, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_AFTER_MAX_MS_DEFAULT, atLeast(0), MEDIUM, ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_AFTER_MAX_MS_DOC)
      .define(ServerLogConfigs.CREATE_TOPIC_POLICY_CLASS_NAME_CONFIG, CLASS, null, LOW, ServerLogConfigs.CREATE_TOPIC_POLICY_CLASS_NAME_DOC)
      .define(ServerLogConfigs.ALTER_CONFIG_POLICY_CLASS_NAME_CONFIG, CLASS, null, LOW, ServerLogConfigs.ALTER_CONFIG_POLICY_CLASS_NAME_DOC)
      .define(ServerLogConfigs.LOG_MESSAGE_DOWNCONVERSION_ENABLE_CONFIG, BOOLEAN, ServerLogConfigs.LOG_MESSAGE_DOWNCONVERSION_ENABLE_DEFAULT, LOW, ServerLogConfigs.LOG_MESSAGE_DOWNCONVERSION_ENABLE_DOC)
      .defineInternal(ServerLogConfigs.LOG_INITIAL_TASK_DELAY_MS_CONFIG, LONG, ServerLogConfigs.LOG_INITIAL_TASK_DELAY_MS_DEFAULT, atLeast(0), LOW, ServerLogConfigs.LOG_INITIAL_TASK_DELAY_MS_DOC)

      /** ********* Replication configuration ***********/
      .define(ReplicationConfigs.CONTROLLER_SOCKET_TIMEOUT_MS_CONFIG, INT, ReplicationConfigs.CONTROLLER_SOCKET_TIMEOUT_MS_DEFAULT, MEDIUM, ReplicationConfigs.CONTROLLER_SOCKET_TIMEOUT_MS_DOC)
      .define(ReplicationConfigs.DEFAULT_REPLICATION_FACTOR_CONFIG, INT, ReplicationConfigs.REPLICATION_FACTOR_DEFAULT, MEDIUM, ReplicationConfigs.DEFAULT_REPLICATION_FACTOR_DOC)
      .define(ReplicationConfigs.REPLICA_LAG_TIME_MAX_MS_CONFIG, LONG, ReplicationConfigs.REPLICA_LAG_TIME_MAX_MS_DEFAULT, HIGH, ReplicationConfigs.REPLICA_LAG_TIME_MAX_MS_DOC)
      .define(ReplicationConfigs.REPLICA_SOCKET_TIMEOUT_MS_CONFIG, INT, ReplicationConfigs.REPLICA_SOCKET_TIMEOUT_MS_DEFAULT, HIGH, ReplicationConfigs.REPLICA_SOCKET_TIMEOUT_MS_DOC)
      .define(ReplicationConfigs.REPLICA_SOCKET_RECEIVE_BUFFER_BYTES_CONFIG, INT, ReplicationConfigs.REPLICA_SOCKET_RECEIVE_BUFFER_BYTES_DEFAULT, HIGH, ReplicationConfigs.REPLICA_SOCKET_RECEIVE_BUFFER_BYTES_DOC)
      .define(ReplicationConfigs.REPLICA_FETCH_MAX_BYTES_CONFIG, INT, ReplicationConfigs.REPLICA_FETCH_MAX_BYTES_DEFAULT, atLeast(0), MEDIUM, ReplicationConfigs.REPLICA_FETCH_MAX_BYTES_DOC)
      .define(ReplicationConfigs.REPLICA_FETCH_WAIT_MAX_MS_CONFIG, INT, ReplicationConfigs.REPLICA_FETCH_WAIT_MAX_MS_DEFAULT, HIGH, ReplicationConfigs.REPLICA_FETCH_WAIT_MAX_MS_DOC)
      .define(ReplicationConfigs.REPLICA_FETCH_BACKOFF_MS_CONFIG, INT, ReplicationConfigs.REPLICA_FETCH_BACKOFF_MS_DEFAULT, atLeast(0), MEDIUM, ReplicationConfigs.REPLICA_FETCH_BACKOFF_MS_DOC)
      .define(ReplicationConfigs.REPLICA_FETCH_MIN_BYTES_CONFIG, INT, ReplicationConfigs.REPLICA_FETCH_MIN_BYTES_DEFAULT, HIGH, ReplicationConfigs.REPLICA_FETCH_MIN_BYTES_DOC)
      .define(ReplicationConfigs.REPLICA_FETCH_RESPONSE_MAX_BYTES_CONFIG, INT, ReplicationConfigs.REPLICA_FETCH_RESPONSE_MAX_BYTES_DEFAULT, atLeast(0), MEDIUM, ReplicationConfigs.REPLICA_FETCH_RESPONSE_MAX_BYTES_DOC)
      .define(ReplicationConfigs.NUM_REPLICA_FETCHERS_CONFIG, INT, ReplicationConfigs.NUM_REPLICA_FETCHERS_DEFAULT, HIGH, ReplicationConfigs.NUM_REPLICA_FETCHERS_DOC)
      .define(ReplicationConfigs.REPLICA_HIGH_WATERMARK_CHECKPOINT_INTERVAL_MS_CONFIG, LONG, ReplicationConfigs.REPLICA_HIGH_WATERMARK_CHECKPOINT_INTERVAL_MS_DEFAULT, HIGH, ReplicationConfigs.REPLICA_HIGH_WATERMARK_CHECKPOINT_INTERVAL_MS_DOC)
      .define(ReplicationConfigs.FETCH_PURGATORY_PURGE_INTERVAL_REQUESTS_CONFIG, INT, ReplicationConfigs.FETCH_PURGATORY_PURGE_INTERVAL_REQUESTS_DEFAULT, MEDIUM, ReplicationConfigs.FETCH_PURGATORY_PURGE_INTERVAL_REQUESTS_DOC)
      .define(ReplicationConfigs.PRODUCER_PURGATORY_PURGE_INTERVAL_REQUESTS_CONFIG, INT, ReplicationConfigs.PRODUCER_PURGATORY_PURGE_INTERVAL_REQUESTS_DEFAULT, MEDIUM, ReplicationConfigs.PRODUCER_PURGATORY_PURGE_INTERVAL_REQUESTS_DOC)
      .define(ReplicationConfigs.DELETE_RECORDS_PURGATORY_PURGE_INTERVAL_REQUESTS_CONFIG, INT, ReplicationConfigs.DELETE_RECORDS_PURGATORY_PURGE_INTERVAL_REQUESTS_DEFAULT, MEDIUM, ReplicationConfigs.DELETE_RECORDS_PURGATORY_PURGE_INTERVAL_REQUESTS_DOC)
      .define(ReplicationConfigs.AUTO_LEADER_REBALANCE_ENABLE_CONFIG, BOOLEAN, ReplicationConfigs.AUTO_LEADER_REBALANCE_ENABLE_DEFAULT, HIGH, ReplicationConfigs.AUTO_LEADER_REBALANCE_ENABLE_DOC)
      .define(ReplicationConfigs.LEADER_IMBALANCE_PER_BROKER_PERCENTAGE_CONFIG, INT, ReplicationConfigs.LEADER_IMBALANCE_PER_BROKER_PERCENTAGE_DEFAULT, HIGH, ReplicationConfigs.LEADER_IMBALANCE_PER_BROKER_PERCENTAGE_DOC)
      .define(ReplicationConfigs.LEADER_IMBALANCE_CHECK_INTERVAL_SECONDS_CONFIG, LONG, ReplicationConfigs.LEADER_IMBALANCE_CHECK_INTERVAL_SECONDS_DEFAULT, atLeast(1), HIGH, ReplicationConfigs.LEADER_IMBALANCE_CHECK_INTERVAL_SECONDS_DOC)
      .define(ReplicationConfigs.UNCLEAN_LEADER_ELECTION_ENABLE_CONFIG, BOOLEAN, LogConfig.DEFAULT_UNCLEAN_LEADER_ELECTION_ENABLE, HIGH, ReplicationConfigs.UNCLEAN_LEADER_ELECTION_ENABLE_DOC)
      .define(ReplicationConfigs.INTER_BROKER_SECURITY_PROTOCOL_CONFIG, STRING, ReplicationConfigs.INTER_BROKER_SECURITY_PROTOCOL_DEFAULT, in(Utils.enumOptions(classOf[SecurityProtocol]):_*), MEDIUM, ReplicationConfigs.INTER_BROKER_SECURITY_PROTOCOL_DOC)
      .define(ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_CONFIG, STRING, ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_DEFAULT, new MetadataVersionValidator(), MEDIUM, ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_DOC)
      .define(ReplicationConfigs.INTER_BROKER_LISTENER_NAME_CONFIG, STRING, null, MEDIUM, ReplicationConfigs.INTER_BROKER_LISTENER_NAME_DOC)
      .define(ReplicationConfigs.REPLICA_SELECTOR_CLASS_CONFIG, STRING, null, MEDIUM, ReplicationConfigs.REPLICA_SELECTOR_CLASS_DOC)


      /** ********* Controlled shutdown configuration ***********/
      .define(ControlledShutdownMaxRetriesProp, INT, Defaults.CONTROLLED_SHUTDOWN_MAX_RETRIES, MEDIUM, ControlledShutdownMaxRetriesDoc)
      .define(ControlledShutdownRetryBackoffMsProp, LONG, Defaults.CONTROLLED_SHUTDOWN_RETRY_BACKOFF_MS, MEDIUM, ControlledShutdownRetryBackoffMsDoc)
      .define(ControlledShutdownEnableProp, BOOLEAN, Defaults.CONTROLLED_SHUTDOWN_ENABLE, MEDIUM, ControlledShutdownEnableDoc)

      /** ********* Group coordinator configuration ***********/
      .define(GroupCoordinatorConfig.GROUP_MIN_SESSION_TIMEOUT_MS_CONFIG, INT, GroupCoordinatorConfig.GROUP_MIN_SESSION_TIMEOUT_MS_DEFAULT, MEDIUM, GroupCoordinatorConfig.GROUP_MIN_SESSION_TIMEOUT_MS_DOC)
      .define(GroupCoordinatorConfig.GROUP_MAX_SESSION_TIMEOUT_MS_CONFIG, INT, GroupCoordinatorConfig.GROUP_MAX_SESSION_TIMEOUT_MS_DEFAULT, MEDIUM, GroupCoordinatorConfig.GROUP_MAX_SESSION_TIMEOUT_MS_DOC)
      .define(GroupCoordinatorConfig.GROUP_INITIAL_REBALANCE_DELAY_MS_CONFIG, INT, GroupCoordinatorConfig.GROUP_INITIAL_REBALANCE_DELAY_MS_DEFAULT, MEDIUM, GroupCoordinatorConfig.GROUP_INITIAL_REBALANCE_DELAY_MS_DOC)
      .define(GroupCoordinatorConfig.GROUP_MAX_SIZE_CONFIG, INT, GroupCoordinatorConfig.GROUP_MAX_SIZE_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.GROUP_MAX_SIZE_DOC)

      /** New group coordinator configs */
      .define(GroupCoordinatorConfig.GROUP_COORDINATOR_REBALANCE_PROTOCOLS_CONFIG, LIST, GroupCoordinatorConfig.GROUP_COORDINATOR_REBALANCE_PROTOCOLS_DEFAULT,
        ConfigDef.ValidList.in(Utils.enumOptions(classOf[GroupType]):_*), MEDIUM, GroupCoordinatorConfig.GROUP_COORDINATOR_REBALANCE_PROTOCOLS_DOC)
      .define(GroupCoordinatorConfig.GROUP_COORDINATOR_NUM_THREADS_CONFIG, INT, GroupCoordinatorConfig.GROUP_COORDINATOR_NUM_THREADS_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.GROUP_COORDINATOR_NUM_THREADS_DOC)
      // Internal configuration used by integration and system tests.
      .defineInternal(GroupCoordinatorConfig.NEW_GROUP_COORDINATOR_ENABLE_CONFIG, BOOLEAN, GroupCoordinatorConfig.NEW_GROUP_COORDINATOR_ENABLE_DEFAULT, null, MEDIUM, GroupCoordinatorConfig.NEW_GROUP_COORDINATOR_ENABLE_DOC)

      /** Consumer groups configs */
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_SESSION_TIMEOUT_MS_CONFIG, INT, GroupCoordinatorConfig.CONSUMER_GROUP_SESSION_TIMEOUT_MS_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_SESSION_TIMEOUT_MS_DOC)
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS_CONFIG, INT, GroupCoordinatorConfig.CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS_DOC)
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS_CONFIG, INT, GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS_DOC)
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_HEARTBEAT_INTERVAL_MS_CONFIG, INT, GroupCoordinatorConfig.CONSUMER_GROUP_HEARTBEAT_INTERVAL_MS_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_HEARTBEAT_INTERVAL_MS_DOC)
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS_CONFIG, INT, GroupCoordinatorConfig.CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS_DOC)
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS_CONFIG, INT, GroupCoordinatorConfig.CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS_DOC)
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SIZE_CONFIG, INT, GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SIZE_DEFAULT, atLeast(1), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SIZE_DOC)
      .define(GroupCoordinatorConfig.CONSUMER_GROUP_ASSIGNORS_CONFIG, LIST, GroupCoordinatorConfig.CONSUMER_GROUP_ASSIGNORS_DEFAULT, null, MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_ASSIGNORS_DOC)
      .defineInternal(GroupCoordinatorConfig.CONSUMER_GROUP_MIGRATION_POLICY_CONFIG, STRING, GroupCoordinatorConfig.CONSUMER_GROUP_MIGRATION_POLICY_DEFAULT, ConfigDef.CaseInsensitiveValidString.in(Utils.enumOptions(classOf[ConsumerGroupMigrationPolicy]): _*), MEDIUM, GroupCoordinatorConfig.CONSUMER_GROUP_MIGRATION_POLICY_DOC)

      /** ********* Offset management configuration ***********/
      .define(GroupCoordinatorConfig.OFFSET_METADATA_MAX_SIZE_CONFIG, INT, GroupCoordinatorConfig.OFFSET_METADATA_MAX_SIZE_DEFAULT, HIGH, GroupCoordinatorConfig.OFFSET_METADATA_MAX_SIZE_DOC)
      .define(GroupCoordinatorConfig.OFFSETS_LOAD_BUFFER_SIZE_CONFIG, INT, GroupCoordinatorConfig.OFFSETS_LOAD_BUFFER_SIZE_DEFAULT, atLeast(1), HIGH, GroupCoordinatorConfig.OFFSETS_LOAD_BUFFER_SIZE_DOC)
      .define(GroupCoordinatorConfig.OFFSETS_TOPIC_REPLICATION_FACTOR_CONFIG, SHORT, GroupCoordinatorConfig.OFFSETS_TOPIC_REPLICATION_FACTOR_DEFAULT, atLeast(1), HIGH, GroupCoordinatorConfig.OFFSETS_TOPIC_REPLICATION_FACTOR_DOC)
      .define(GroupCoordinatorConfig.OFFSETS_TOPIC_PARTITIONS_CONFIG, INT, GroupCoordinatorConfig.OFFSETS_TOPIC_PARTITIONS_DEFAULT, atLeast(1), HIGH, GroupCoordinatorConfig.OFFSETS_TOPIC_PARTITIONS_DOC)
      .define(GroupCoordinatorConfig.OFFSETS_TOPIC_SEGMENT_BYTES_CONFIG, INT, GroupCoordinatorConfig.OFFSETS_TOPIC_SEGMENT_BYTES_DEFAULT, atLeast(1), HIGH, GroupCoordinatorConfig.OFFSETS_TOPIC_SEGMENT_BYTES_DOC)
      .define(GroupCoordinatorConfig.OFFSETS_TOPIC_COMPRESSION_CODEC_CONFIG, INT, GroupCoordinatorConfig.OFFSETS_TOPIC_COMPRESSION_CODEC_DEFAULT.id.toInt, HIGH, GroupCoordinatorConfig.OFFSETS_TOPIC_COMPRESSION_CODEC_DOC)
      .define(GroupCoordinatorConfig.OFFSETS_RETENTION_MINUTES_CONFIG, INT, GroupCoordinatorConfig.OFFSETS_RETENTION_MINUTES_DEFAULT, atLeast(1), HIGH, GroupCoordinatorConfig.OFFSETS_RETENTION_MINUTES_DOC)
      .define(GroupCoordinatorConfig.OFFSETS_RETENTION_CHECK_INTERVAL_MS_CONFIG, LONG, GroupCoordinatorConfig.OFFSETS_RETENTION_CHECK_INTERVAL_MS_DEFAULT, atLeast(1), HIGH, GroupCoordinatorConfig.OFFSETS_RETENTION_CHECK_INTERVAL_MS_DOC)
      .define(GroupCoordinatorConfig.OFFSET_COMMIT_TIMEOUT_MS_CONFIG, INT, GroupCoordinatorConfig.OFFSET_COMMIT_TIMEOUT_MS_DEFAULT, atLeast(1), HIGH, GroupCoordinatorConfig.OFFSET_COMMIT_TIMEOUT_MS_DOC)
      .define(GroupCoordinatorConfig.OFFSET_COMMIT_REQUIRED_ACKS_CONFIG, SHORT, GroupCoordinatorConfig.OFFSET_COMMIT_REQUIRED_ACKS_DEFAULT, HIGH, GroupCoordinatorConfig.OFFSET_COMMIT_REQUIRED_ACKS_DOC)
      .define(DeleteTopicEnableProp, BOOLEAN, Defaults.DELETE_TOPIC_ENABLE, HIGH, DeleteTopicEnableDoc)
      .define(CompressionTypeProp, STRING, LogConfig.DEFAULT_COMPRESSION_TYPE, in(BrokerCompressionType.names.asScala.toSeq:_*), HIGH, CompressionTypeDoc)

      /** ********* Transaction management configuration ***********/
      .define(TransactionStateManagerConfigs.TRANSACTIONAL_ID_EXPIRATION_MS_CONFIG, INT, TransactionStateManagerConfigs.TRANSACTIONAL_ID_EXPIRATION_MS_DEFAULT, atLeast(1), HIGH, TransactionStateManagerConfigs.TRANSACTIONAL_ID_EXPIRATION_MS_DOC)
      .define(TransactionStateManagerConfigs.TRANSACTIONS_MAX_TIMEOUT_MS_CONFIG, INT, TransactionStateManagerConfigs.TRANSACTIONS_MAX_TIMEOUT_MS_DEFAULT, atLeast(1), HIGH, TransactionStateManagerConfigs.TRANSACTIONS_MAX_TIMEOUT_MS_DOC)
      .define(TransactionLogConfigs.TRANSACTIONS_TOPIC_MIN_ISR_CONFIG, INT, TransactionLogConfigs.TRANSACTIONS_TOPIC_MIN_ISR_DEFAULT, atLeast(1), HIGH, TransactionLogConfigs.TRANSACTIONS_TOPIC_MIN_ISR_DOC)
      .define(TransactionLogConfigs.TRANSACTIONS_LOAD_BUFFER_SIZE_CONFIG, INT, TransactionLogConfigs.TRANSACTIONS_LOAD_BUFFER_SIZE_DEFAULT, atLeast(1), HIGH, TransactionLogConfigs.TRANSACTIONS_LOAD_BUFFER_SIZE_DOC)
      .define(TransactionLogConfigs.TRANSACTIONS_TOPIC_REPLICATION_FACTOR_CONFIG, SHORT, TransactionLogConfigs.TRANSACTIONS_TOPIC_REPLICATION_FACTOR_DEFAULT, atLeast(1), HIGH, TransactionLogConfigs.TRANSACTIONS_TOPIC_REPLICATION_FACTOR_DOC)
      .define(TransactionLogConfigs.TRANSACTIONS_TOPIC_PARTITIONS_CONFIG, INT, TransactionLogConfigs.TRANSACTIONS_TOPIC_PARTITIONS_DEFAULT, atLeast(1), HIGH, TransactionLogConfigs.TRANSACTIONS_TOPIC_PARTITIONS_DOC)
      .define(TransactionLogConfigs.TRANSACTIONS_TOPIC_SEGMENT_BYTES_CONFIG, INT, TransactionLogConfigs.TRANSACTIONS_TOPIC_SEGMENT_BYTES_DEFAULT, atLeast(1), HIGH, TransactionLogConfigs.TRANSACTIONS_TOPIC_SEGMENT_BYTES_DOC)
      .define(TransactionStateManagerConfigs.TRANSACTIONS_ABORT_TIMED_OUT_TRANSACTION_CLEANUP_INTERVAL_MS_CONFIG, INT, TransactionStateManagerConfigs.TRANSACTIONS_ABORT_TIMED_OUT_TRANSACTION_CLEANUP_INTERVAL_MS_DEFAULT, atLeast(1), LOW, TransactionStateManagerConfigs.TRANSACTIONS_ABORT_TIMED_OUT_TRANSACTIONS_INTERVAL_MS_DOC)
      .define(TransactionStateManagerConfigs.TRANSACTIONS_REMOVE_EXPIRED_TRANSACTIONAL_ID_CLEANUP_INTERVAL_MS_CONFIG, INT, TransactionStateManagerConfigs.TRANSACTIONS_REMOVE_EXPIRED_TRANSACTIONAL_ID_CLEANUP_INTERVAL_MS_DEFAULT, atLeast(1), LOW, TransactionStateManagerConfigs.TRANSACTIONS_REMOVE_EXPIRED_TRANSACTIONS_INTERVAL_MS_DOC)

      .define(TransactionLogConfigs.TRANSACTION_PARTITION_VERIFICATION_ENABLE_CONFIG, BOOLEAN, TransactionLogConfigs.TRANSACTION_PARTITION_VERIFICATION_ENABLE_DEFAULT, LOW, TransactionLogConfigs.TRANSACTION_PARTITION_VERIFICATION_ENABLE_DOC)

      .define(TransactionLogConfigs.PRODUCER_ID_EXPIRATION_MS_CONFIG, INT, TransactionLogConfigs.PRODUCER_ID_EXPIRATION_MS_DEFAULT, atLeast(1), LOW, TransactionLogConfigs.PRODUCER_ID_EXPIRATION_MS_DOC)
      // Configuration for testing only as default value should be sufficient for typical usage
      .defineInternal(TransactionLogConfigs.PRODUCER_ID_EXPIRATION_CHECK_INTERVAL_MS_CONFIG, INT, TransactionLogConfigs.PRODUCER_ID_EXPIRATION_CHECK_INTERVAL_MS_DEFAULT, atLeast(1), LOW, TransactionLogConfigs.PRODUCER_ID_EXPIRATION_CHECK_INTERVAL_MS_DOC)

      /** ********* Fetch Configuration **************/
      .define(MaxIncrementalFetchSessionCacheSlots, INT, Defaults.MAX_INCREMENTAL_FETCH_SESSION_CACHE_SLOTS, atLeast(0), MEDIUM, MaxIncrementalFetchSessionCacheSlotsDoc)
      .define(FetchMaxBytes, INT, Defaults.FETCH_MAX_BYTES, atLeast(1024), MEDIUM, FetchMaxBytesDoc)

      /** ********* Request Limit Configuration ***********/
      .define(MaxRequestPartitionSizeLimit, INT, Defaults.MAX_REQUEST_PARTITION_SIZE_LIMIT, atLeast(1), MEDIUM, MaxRequestPartitionSizeLimitDoc)

      /** ********* Kafka Metrics Configuration ***********/
      .define(MetricNumSamplesProp, INT, Defaults.METRIC_NUM_SAMPLES, atLeast(1), LOW, MetricNumSamplesDoc)
      .define(MetricSampleWindowMsProp, LONG, Defaults.METRIC_SAMPLE_WINDOW_MS, atLeast(1), LOW, MetricSampleWindowMsDoc)
      .define(MetricReporterClassesProp, LIST, Defaults.METRIC_REPORTER_CLASSES, LOW, MetricReporterClassesDoc)
      .define(MetricRecordingLevelProp, STRING, Defaults.METRIC_RECORDING_LEVEL, LOW, MetricRecordingLevelDoc)
      .define(AutoIncludeJmxReporterProp, BOOLEAN, Defaults.AUTO_INCLUDE_JMX_REPORTER, LOW, AutoIncludeJmxReporterDoc)

      /** ********* Kafka Yammer Metrics Reporter Configuration for docs ***********/
      .define(KafkaMetricsReporterClassesProp, LIST, Defaults.KAFKA_METRIC_REPORTER_CLASSES, LOW, KafkaMetricsReporterClassesDoc)
      .define(KafkaMetricsPollingIntervalSecondsProp, INT, Defaults.KAFKA_METRICS_POLLING_INTERVAL_SECONDS, atLeast(1), LOW, KafkaMetricsPollingIntervalSecondsDoc)

      /** ********* Kafka Client Telemetry Metrics Configuration ***********/
      .define(ClientTelemetryMaxBytesProp, INT, Defaults.CLIENT_TELEMETRY_MAX_BYTES, atLeast(1), LOW, ClientTelemetryMaxBytesDoc)

      /** ********* Quota configuration ***********/
      .define(NumQuotaSamplesProp, INT, Defaults.NUM_QUOTA_SAMPLES, atLeast(1), LOW, NumQuotaSamplesDoc)
      .define(NumReplicationQuotaSamplesProp, INT, Defaults.NUM_REPLICATION_QUOTA_SAMPLES, atLeast(1), LOW, NumReplicationQuotaSamplesDoc)
      .define(NumAlterLogDirsReplicationQuotaSamplesProp, INT, Defaults.NUM_ALTER_LOG_DIRS_REPLICATION_QUOTA_SAMPLES, atLeast(1), LOW, NumAlterLogDirsReplicationQuotaSamplesDoc)
      .define(NumControllerQuotaSamplesProp, INT, Defaults.NUM_CONTROLLER_QUOTA_SAMPLES, atLeast(1), LOW, NumControllerQuotaSamplesDoc)
      .define(QuotaWindowSizeSecondsProp, INT, Defaults.QUOTA_WINDOW_SIZE_SECONDS, atLeast(1), LOW, QuotaWindowSizeSecondsDoc)
      .define(ReplicationQuotaWindowSizeSecondsProp, INT, Defaults.REPLICATION_QUOTA_WINDOW_SIZE_SECONDS, atLeast(1), LOW, ReplicationQuotaWindowSizeSecondsDoc)
      .define(AlterLogDirsReplicationQuotaWindowSizeSecondsProp, INT, Defaults.ALTER_LOG_DIRS_REPLICATION_QUOTA_WINDOW_SIZE_SECONDS, atLeast(1), LOW, AlterLogDirsReplicationQuotaWindowSizeSecondsDoc)
      .define(ControllerQuotaWindowSizeSecondsProp, INT, Defaults.CONTROLLER_QUOTA_WINDOW_SIZE_SECONDS, atLeast(1), LOW, ControllerQuotaWindowSizeSecondsDoc)
      .define(ClientQuotaCallbackClassProp, CLASS, null, LOW, ClientQuotaCallbackClassDoc)

      /** ********* General Security Configuration ****************/
      .define(KafkaSecurityConfigs.CONNECTIONS_MAX_REAUTH_MS_CONFIG, LONG, KafkaSecurityConfigs.CONNECTIONS_MAX_REAUTH_MS_DEFAULT, MEDIUM, KafkaSecurityConfigs.CONNECTIONS_MAX_REAUTH_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_SERVER_MAX_RECEIVE_SIZE_CONFIG, INT, KafkaSecurityConfigs.SASL_SERVER_MAX_RECEIVE_SIZE_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_SERVER_MAX_RECEIVE_SIZE_DOC)
      .define(KafkaSecurityConfigs.SECURITY_PROVIDER_CLASS_CONFIG, STRING, null, LOW, KafkaSecurityConfigs.SECURITY_PROVIDERS_DOC)

      /** ********* SSL Configuration ****************/
      .define(KafkaSecurityConfigs.PRINCIPAL_BUILDER_CLASS_CONFIG, CLASS, KafkaSecurityConfigs.PRINCIPAL_BUILDER_CLASS_DEFAULT, MEDIUM, KafkaSecurityConfigs.PRINCIPAL_BUILDER_CLASS_DOC)
      .define(KafkaSecurityConfigs.SSL_PROTOCOL_CONFIG, STRING, KafkaSecurityConfigs.SSL_PROTOCOL_DEFAULT, MEDIUM, KafkaSecurityConfigs.SSL_PROTOCOL_DOC)
      .define(KafkaSecurityConfigs.SSL_PROVIDER_CONFIG, STRING, null, MEDIUM, KafkaSecurityConfigs.SSL_PROVIDER_DOC)
      .define(KafkaSecurityConfigs.SSL_ENABLED_PROTOCOLS_CONFIG, LIST, KafkaSecurityConfigs.SSL_ENABLED_PROTOCOLS_DEFAULTS, MEDIUM, KafkaSecurityConfigs.SSL_ENABLED_PROTOCOLS_DOC)
      .define(KafkaSecurityConfigs.SSL_KEYSTORE_TYPE_CONFIG, STRING, KafkaSecurityConfigs.SSL_KEYSTORE_TYPE_DEFAULT, MEDIUM, KafkaSecurityConfigs.SSL_KEYSTORE_TYPE_DOC)
      .define(KafkaSecurityConfigs.SSL_KEYSTORE_LOCATION_CONFIG, STRING, null, MEDIUM, KafkaSecurityConfigs.SSL_KEYSTORE_LOCATION_DOC)
      .define(KafkaSecurityConfigs.SSL_KEYSTORE_PASSWORD_CONFIG, PASSWORD, null, MEDIUM, KafkaSecurityConfigs.SSL_KEYSTORE_PASSWORD_DOC)
      .define(KafkaSecurityConfigs.SSL_KEY_PASSWORD_CONFIG, PASSWORD, null, MEDIUM, KafkaSecurityConfigs.SSL_KEY_PASSWORD_DOC)
      .define(KafkaSecurityConfigs.SSL_KEYSTORE_KEY_CONFIG, PASSWORD, null, MEDIUM, KafkaSecurityConfigs.SSL_KEYSTORE_KEY_DOC)
      .define(KafkaSecurityConfigs.SSL_KEYSTORE_CERTIFICATE_CHAIN_CONFIG, PASSWORD, null, MEDIUM, KafkaSecurityConfigs.SSL_KEYSTORE_CERTIFICATE_CHAIN_DOC)
      .define(KafkaSecurityConfigs.SSL_TRUSTSTORE_TYPE_CONFIG, STRING, KafkaSecurityConfigs.SSL_TRUSTSTORE_TYPE_DEFAULT, MEDIUM, KafkaSecurityConfigs.SSL_TRUSTSTORE_TYPE_DOC)
      .define(KafkaSecurityConfigs.SSL_TRUSTSTORE_LOCATION_CONFIG, STRING, null, MEDIUM, KafkaSecurityConfigs.SSL_TRUSTSTORE_LOCATION_DOC)
      .define(KafkaSecurityConfigs.SSL_TRUSTSTORE_PASSWORD_CONFIG, PASSWORD, null, MEDIUM, KafkaSecurityConfigs.SSL_TRUSTSTORE_PASSWORD_DOC)
      .define(KafkaSecurityConfigs.SSL_TRUSTSTORE_CERTIFICATES_CONFIG, PASSWORD, null, MEDIUM, KafkaSecurityConfigs.SSL_TRUSTSTORE_CERTIFICATES_DOC)
      .define(KafkaSecurityConfigs.SSL_KEYMANAGER_ALGORITHM_CONFIG, STRING, KafkaSecurityConfigs.SSL_KEYMANAGER_ALGORITHM_DEFAULT, MEDIUM, KafkaSecurityConfigs.SSL_KEYMANAGER_ALGORITHM_DOC)
      .define(KafkaSecurityConfigs.SSL_TRUSTMANAGER_ALGORITHM_CONFIG, STRING, KafkaSecurityConfigs.SSL_TRUSTMANAGER_ALGORITHM_DEFAULT, MEDIUM, KafkaSecurityConfigs.SSL_TRUSTMANAGER_ALGORITHM_DOC)
      .define(KafkaSecurityConfigs.SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_CONFIG, STRING, KafkaSecurityConfigs.SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_DEFAULT, LOW, KafkaSecurityConfigs.SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_DOC)
      .define(KafkaSecurityConfigs.SSL_SECURE_RANDOM_IMPLEMENTATION_CONFIG, STRING, null, LOW, KafkaSecurityConfigs.SSL_SECURE_RANDOM_IMPLEMENTATION_DOC)
      .define(KafkaSecurityConfigs.SSL_CLIENT_AUTH_CONFIG, STRING, KafkaSecurityConfigs.SSL_CLIENT_AUTH_DEFAULT, in(KafkaSecurityConfigs.SSL_CLIENT_AUTHENTICATION_VALID_VALUES:_*), MEDIUM, KafkaSecurityConfigs.SSL_CLIENT_AUTH_DOC)
      .define(KafkaSecurityConfigs.SSL_CIPHER_SUITES_CONFIG, LIST, Collections.emptyList(), MEDIUM, KafkaSecurityConfigs.SSL_CIPHER_SUITES_DOC)
      .define(KafkaSecurityConfigs.SSL_PRINCIPAL_MAPPING_RULES_CONFIG, STRING, KafkaSecurityConfigs.SSL_PRINCIPAL_MAPPING_RULES_DEFAULT, LOW, KafkaSecurityConfigs.SSL_PRINCIPAL_MAPPING_RULES_DOC)
      .define(KafkaSecurityConfigs.SSL_ENGINE_FACTORY_CLASS_CONFIG, CLASS, null, LOW, KafkaSecurityConfigs.SSL_ENGINE_FACTORY_CLASS_DOC)
      .define(KafkaSecurityConfigs.SSL_ALLOW_DN_CHANGES_CONFIG, BOOLEAN, KafkaSecurityConfigs.SSL_ALLOW_DN_CHANGES_DEFAULT, LOW, KafkaSecurityConfigs.SSL_ALLOW_DN_CHANGES_DOC)
      .define(KafkaSecurityConfigs.SSL_ALLOW_SAN_CHANGES_CONFIG, BOOLEAN, KafkaSecurityConfigs.SSL_ALLOW_SAN_CHANGES_DEFAULT, LOW, KafkaSecurityConfigs.SSL_ALLOW_SAN_CHANGES_DOC)

      /** ********* Sasl Configuration ****************/
      .define(KafkaSecurityConfigs.SASL_MECHANISM_INTER_BROKER_PROTOCOL_CONFIG, STRING, KafkaSecurityConfigs.SASL_MECHANISM_INTER_BROKER_PROTOCOL_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_MECHANISM_INTER_BROKER_PROTOCOL_DOC)
      .define(KafkaSecurityConfigs.SASL_JAAS_CONFIG, PASSWORD, null, MEDIUM, KafkaSecurityConfigs.SASL_JAAS_CONFIG_DOC)
      .define(KafkaSecurityConfigs.SASL_ENABLED_MECHANISMS_CONFIG, LIST, KafkaSecurityConfigs.SASL_ENABLED_MECHANISMS_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_ENABLED_MECHANISMS_DOC)
      .define(KafkaSecurityConfigs.SASL_SERVER_CALLBACK_HANDLER_CLASS_CONFIG, CLASS, null, MEDIUM, KafkaSecurityConfigs.SASL_SERVER_CALLBACK_HANDLER_CLASS_DOC)
      .define(KafkaSecurityConfigs.SASL_CLIENT_CALLBACK_HANDLER_CLASS_CONFIG, CLASS, null, MEDIUM, KafkaSecurityConfigs.SASL_CLIENT_CALLBACK_HANDLER_CLASS_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_CLASS_CONFIG, CLASS, null, MEDIUM, KafkaSecurityConfigs.SASL_LOGIN_CLASS_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_CALLBACK_HANDLER_CLASS_CONFIG, CLASS, null, MEDIUM, KafkaSecurityConfigs.SASL_LOGIN_CALLBACK_HANDLER_CLASS_DOC)
      .define(KafkaSecurityConfigs.SASL_KERBEROS_SERVICE_NAME_CONFIG, STRING, null, MEDIUM, KafkaSecurityConfigs.SASL_KERBEROS_SERVICE_NAME_DOC)
      .define(KafkaSecurityConfigs.SASL_KERBEROS_KINIT_CMD_CONFIG, STRING, KafkaSecurityConfigs.SASL_KERBEROS_KINIT_CMD_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_KERBEROS_KINIT_CMD_DOC)
      .define(KafkaSecurityConfigs.SASL_KERBEROS_TICKET_RENEW_WINDOW_FACTOR_CONFIG, DOUBLE, KafkaSecurityConfigs.SASL_KERBEROS_TICKET_RENEW_WINDOW_FACTOR_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_KERBEROS_TICKET_RENEW_WINDOW_FACTOR_DOC)
      .define(KafkaSecurityConfigs.SASL_KERBEROS_TICKET_RENEW_JITTER_CONFIG, DOUBLE, KafkaSecurityConfigs.SASL_KERBEROS_TICKET_RENEW_JITTER_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_KERBEROS_TICKET_RENEW_JITTER_DOC)
      .define(KafkaSecurityConfigs.SASL_KERBEROS_MIN_TIME_BEFORE_RELOGIN_CONFIG, LONG, KafkaSecurityConfigs.SASL_KERBEROS_MIN_TIME_BEFORE_RELOGIN_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_KERBEROS_MIN_TIME_BEFORE_RELOGIN_DOC)
      .define(KafkaSecurityConfigs.SASL_KERBEROS_PRINCIPAL_TO_LOCAL_RULES_CONFIG, LIST, KafkaSecurityConfigs.SASL_KERBEROS_PRINCIPAL_TO_LOCAL_RULES_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_KERBEROS_PRINCIPAL_TO_LOCAL_RULES_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_REFRESH_WINDOW_FACTOR_CONFIG, DOUBLE, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_WINDOW_FACTOR_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_WINDOW_FACTOR_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_REFRESH_WINDOW_JITTER_CONFIG, DOUBLE, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_WINDOW_JITTER_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_WINDOW_JITTER_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_REFRESH_MIN_PERIOD_SECONDS_CONFIG, SHORT, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_MIN_PERIOD_SECONDS_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_MIN_PERIOD_SECONDS_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_REFRESH_BUFFER_SECONDS_CONFIG, SHORT, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_BUFFER_SECONDS_DEFAULT, MEDIUM, KafkaSecurityConfigs.SASL_LOGIN_REFRESH_BUFFER_SECONDS_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_CONNECT_TIMEOUT_MS_CONFIG, INT, null, LOW, KafkaSecurityConfigs.SASL_LOGIN_CONNECT_TIMEOUT_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_READ_TIMEOUT_MS_CONFIG, INT, null, LOW, KafkaSecurityConfigs.SASL_LOGIN_READ_TIMEOUT_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_RETRY_BACKOFF_MAX_MS_CONFIG, LONG, KafkaSecurityConfigs.SASL_LOGIN_RETRY_BACKOFF_MAX_MS_DEFAULT, LOW, KafkaSecurityConfigs.SASL_LOGIN_RETRY_BACKOFF_MAX_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_LOGIN_RETRY_BACKOFF_MS_CONFIG, LONG, KafkaSecurityConfigs.SASL_LOGIN_RETRY_BACKOFF_MS_DEFAULT, LOW, KafkaSecurityConfigs.SASL_LOGIN_RETRY_BACKOFF_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_SCOPE_CLAIM_NAME_CONFIG, STRING, KafkaSecurityConfigs.SASL_OAUTHBEARER_SCOPE_CLAIM_NAME_DEFAULT, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_SCOPE_CLAIM_NAME_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_SUB_CLAIM_NAME_CONFIG, STRING, KafkaSecurityConfigs.SASL_OAUTHBEARER_SUB_CLAIM_NAME_DEFAULT, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_SUB_CLAIM_NAME_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_TOKEN_ENDPOINT_URL_CONFIG, STRING, null, MEDIUM, KafkaSecurityConfigs.SASL_OAUTHBEARER_TOKEN_ENDPOINT_URL_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_URL_CONFIG, STRING, null, MEDIUM, KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_URL_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_REFRESH_MS_CONFIG, LONG, KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_REFRESH_MS_DEFAULT, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_REFRESH_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_RETRY_BACKOFF_MS_CONFIG, LONG, KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_RETRY_BACKOFF_MS_DEFAULT, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_RETRY_BACKOFF_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_RETRY_BACKOFF_MAX_MS_CONFIG, LONG, KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_RETRY_BACKOFF_MAX_MS_DEFAULT, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_JWKS_ENDPOINT_RETRY_BACKOFF_MAX_MS_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_CLOCK_SKEW_SECONDS_CONFIG, INT, KafkaSecurityConfigs.SASL_OAUTHBEARER_CLOCK_SKEW_SECONDS_DEFAULT, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_CLOCK_SKEW_SECONDS_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_EXPECTED_AUDIENCE_CONFIG, LIST, null, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_EXPECTED_AUDIENCE_DOC)
      .define(KafkaSecurityConfigs.SASL_OAUTHBEARER_EXPECTED_ISSUER_CONFIG, STRING, null, LOW, KafkaSecurityConfigs.SASL_OAUTHBEARER_EXPECTED_ISSUER_DOC)

      /** ********* Delegation Token Configuration ****************/
      .define(DelegationTokenSecretKeyAliasProp, PASSWORD, null, MEDIUM, DelegationTokenSecretKeyAliasDoc)
      .define(DelegationTokenSecretKeyProp, PASSWORD, null, MEDIUM, DelegationTokenSecretKeyDoc)
      .define(DelegationTokenMaxLifeTimeProp, LONG, Defaults.DELEGATION_TOKEN_MAX_LIFE_TIME_MS, atLeast(1), MEDIUM, DelegationTokenMaxLifeTimeDoc)
      .define(DelegationTokenExpiryTimeMsProp, LONG, Defaults.DELEGATION_TOKEN_EXPIRY_TIME_MS, atLeast(1), MEDIUM, DelegationTokenExpiryTimeMsDoc)
      .define(DelegationTokenExpiryCheckIntervalMsProp, LONG, Defaults.DELEGATION_TOKEN_EXPIRY_CHECK_INTERVAL_MS, atLeast(1), LOW, DelegationTokenExpiryCheckIntervalDoc)

      /** ********* Password encryption configuration for dynamic configs *********/
      .define(PasswordEncoderSecretProp, PASSWORD, null, MEDIUM, PasswordEncoderSecretDoc)
      .define(PasswordEncoderOldSecretProp, PASSWORD, null, MEDIUM, PasswordEncoderOldSecretDoc)
      .define(PasswordEncoderKeyFactoryAlgorithmProp, STRING, null, LOW, PasswordEncoderKeyFactoryAlgorithmDoc)
      .define(PasswordEncoderCipherAlgorithmProp, STRING, Defaults.PASSWORD_ENCODER_CIPHER_ALGORITHM, LOW, PasswordEncoderCipherAlgorithmDoc)
      .define(PasswordEncoderKeyLengthProp, INT, Defaults.PASSWORD_ENCODER_KEY_LENGTH, atLeast(8), LOW, PasswordEncoderKeyLengthDoc)
      .define(PasswordEncoderIterationsProp, INT, Defaults.PASSWORD_ENCODER_ITERATIONS, atLeast(1024), LOW, PasswordEncoderIterationsDoc)

      /** ********* Raft Quorum Configuration *********/
      .define(RaftConfig.QUORUM_VOTERS_CONFIG, LIST, Defaults.QUORUM_VOTERS, new RaftConfig.ControllerQuorumVotersValidator(), HIGH, RaftConfig.QUORUM_VOTERS_DOC)
      .define(RaftConfig.QUORUM_ELECTION_TIMEOUT_MS_CONFIG, INT, Defaults.QUORUM_ELECTION_TIMEOUT_MS, null, HIGH, RaftConfig.QUORUM_ELECTION_TIMEOUT_MS_DOC)
      .define(RaftConfig.QUORUM_FETCH_TIMEOUT_MS_CONFIG, INT, Defaults.QUORUM_FETCH_TIMEOUT_MS, null, HIGH, RaftConfig.QUORUM_FETCH_TIMEOUT_MS_DOC)
      .define(RaftConfig.QUORUM_ELECTION_BACKOFF_MAX_MS_CONFIG, INT, Defaults.QUORUM_ELECTION_BACKOFF_MS, null, HIGH, RaftConfig.QUORUM_ELECTION_BACKOFF_MAX_MS_DOC)
      .define(RaftConfig.QUORUM_LINGER_MS_CONFIG, INT, Defaults.QUORUM_LINGER_MS, null, MEDIUM, RaftConfig.QUORUM_LINGER_MS_DOC)
      .define(RaftConfig.QUORUM_REQUEST_TIMEOUT_MS_CONFIG, INT, Defaults.QUORUM_REQUEST_TIMEOUT_MS, null, MEDIUM, RaftConfig.QUORUM_REQUEST_TIMEOUT_MS_DOC)
      .define(RaftConfig.QUORUM_RETRY_BACKOFF_MS_CONFIG, INT, Defaults.QUORUM_RETRY_BACKOFF_MS, null, LOW, RaftConfig.QUORUM_RETRY_BACKOFF_MS_DOC)

      /** Internal Configurations **/
      // This indicates whether unreleased APIs should be advertised by this node.
      .defineInternal(UnstableApiVersionsEnableProp, BOOLEAN, false, HIGH)
      // This indicates whether unreleased MetadataVersions should be enabled on this node.
      .defineInternal(UnstableMetadataVersionsEnableProp, BOOLEAN, false, HIGH)
  }

  /** ********* Remote Log Management Configuration *********/
  RemoteLogManagerConfig.CONFIG_DEF.configKeys().values().forEach(key => configDef.define(key))

  def configNames: Seq[String] = configDef.names.asScala.toBuffer.sorted
  private[server] def defaultValues: Map[String, _] = configDef.defaultValues.asScala
  private[server] def configKeys: Map[String, ConfigKey] = configDef.configKeys.asScala

  def fromProps(props: Properties): KafkaConfig =
    fromProps(props, true)

  def fromProps(props: Properties, doLog: Boolean): KafkaConfig =
    new KafkaConfig(props, doLog)

  def fromProps(defaults: Properties, overrides: Properties): KafkaConfig =
    fromProps(defaults, overrides, true)

  def fromProps(defaults: Properties, overrides: Properties, doLog: Boolean): KafkaConfig = {
    val props = new Properties()
    props ++= defaults
    props ++= overrides
    fromProps(props, doLog)
  }

  def apply(props: java.util.Map[_, _], doLog: Boolean = true): KafkaConfig = new KafkaConfig(props, doLog)

  private def typeOf(name: String): Option[ConfigDef.Type] = Option(configDef.configKeys.get(name)).map(_.`type`)

  def configType(configName: String): Option[ConfigDef.Type] = {
    val configType = configTypeExact(configName)
    if (configType.isDefined) {
      return configType
    }
    typeOf(configName) match {
      case Some(t) => Some(t)
      case None =>
        DynamicBrokerConfig.brokerConfigSynonyms(configName, matchListenerOverride = true).flatMap(typeOf).headOption
    }
  }

  private def configTypeExact(exactName: String): Option[ConfigDef.Type] = {
    val configType = typeOf(exactName).orNull
    if (configType != null) {
      Some(configType)
    } else {
      val configKey = DynamicConfig.Broker.brokerConfigDef.configKeys().get(exactName)
      if (configKey != null) {
        Some(configKey.`type`)
      } else {
        None
      }
    }
  }

  def maybeSensitive(configType: Option[ConfigDef.Type]): Boolean = {
    // If we can't determine the config entry type, treat it as a sensitive config to be safe
    configType.isEmpty || configType.contains(ConfigDef.Type.PASSWORD)
  }

  def loggableValue(resourceType: ConfigResource.Type, name: String, value: String): String = {
    val maybeSensitive = resourceType match {
      case ConfigResource.Type.BROKER => KafkaConfig.maybeSensitive(KafkaConfig.configType(name))
      case ConfigResource.Type.TOPIC => KafkaConfig.maybeSensitive(LogConfig.configType(name).asScala)
      case ConfigResource.Type.BROKER_LOGGER => false
      case ConfigResource.Type.CLIENT_METRICS => false
      case _ => true
    }
    if (maybeSensitive) Password.HIDDEN else value
  }

  /**
   * Copy a configuration map, populating some keys that we want to treat as synonyms.
   */
  def populateSynonyms(input: util.Map[_, _]): util.Map[Any, Any] = {
    val output = new util.HashMap[Any, Any](input)
    val brokerId = output.get(KafkaConfig.BrokerIdProp)
    val nodeId = output.get(KafkaConfig.NodeIdProp)
    if (brokerId == null && nodeId != null) {
      output.put(KafkaConfig.BrokerIdProp, nodeId)
    } else if (brokerId != null && nodeId == null) {
      output.put(KafkaConfig.NodeIdProp, brokerId)
    }
    output
  }
}

class KafkaConfig private(doLog: Boolean, val props: java.util.Map[_, _], dynamicConfigOverride: Option[DynamicBrokerConfig])
  extends AbstractConfig(KafkaConfig.configDef, props, Utils.castToStringObjectMap(props), doLog) with Logging {

  def this(props: java.util.Map[_, _]) = this(true, KafkaConfig.populateSynonyms(props), None)
  def this(props: java.util.Map[_, _], doLog: Boolean) = this(doLog, KafkaConfig.populateSynonyms(props), None)
  def this(props: java.util.Map[_, _], doLog: Boolean, dynamicConfigOverride: Option[DynamicBrokerConfig]) =
    this(doLog, KafkaConfig.populateSynonyms(props), dynamicConfigOverride)

  // Cache the current config to avoid acquiring read lock to access from dynamicConfig
  @volatile private var currentConfig = this
  val processRoles: Set[ProcessRole] = parseProcessRoles()
  private[server] val dynamicConfig = dynamicConfigOverride.getOrElse(new DynamicBrokerConfig(this))

  private[server] def updateCurrentConfig(newConfig: KafkaConfig): Unit = {
    this.currentConfig = newConfig
  }

  // The following captures any system properties impacting ZooKeeper TLS configuration
  // and defines the default values this instance will use if no explicit config is given.
  // We make it part of each instance rather than the object to facilitate testing.
  private val zkClientConfigViaSystemProperties = new ZKClientConfig()

  override def originals: util.Map[String, AnyRef] =
    if (this eq currentConfig) super.originals else currentConfig.originals
  override def values: util.Map[String, _] =
    if (this eq currentConfig) super.values else currentConfig.values
  override def nonInternalValues: util.Map[String, _] =
    if (this eq currentConfig) super.nonInternalValues else currentConfig.nonInternalValues
  override def originalsStrings: util.Map[String, String] =
    if (this eq currentConfig) super.originalsStrings else currentConfig.originalsStrings
  override def originalsWithPrefix(prefix: String): util.Map[String, AnyRef] =
    if (this eq currentConfig) super.originalsWithPrefix(prefix) else currentConfig.originalsWithPrefix(prefix)
  override def valuesWithPrefixOverride(prefix: String): util.Map[String, AnyRef] =
    if (this eq currentConfig) super.valuesWithPrefixOverride(prefix) else currentConfig.valuesWithPrefixOverride(prefix)
  override def get(key: String): AnyRef =
    if (this eq currentConfig) super.get(key) else currentConfig.get(key)

  //  During dynamic update, we use the values from this config, these are only used in DynamicBrokerConfig
  private[server] def originalsFromThisConfig: util.Map[String, AnyRef] = super.originals
  private[server] def valuesFromThisConfig: util.Map[String, _] = super.values
  def valuesFromThisConfigWithPrefixOverride(prefix: String): util.Map[String, AnyRef] =
    super.valuesWithPrefixOverride(prefix)

  /** ********* Zookeeper Configuration ***********/
  val zkConnect: String = getString(ZkConfigs.ZK_CONNECT_CONFIG)
  val zkSessionTimeoutMs: Int = getInt(ZkConfigs.ZK_SESSION_TIMEOUT_MS_CONFIG)
  val zkConnectionTimeoutMs: Int =
    Option(getInt(ZkConfigs.ZK_CONNECTION_TIMEOUT_MS_CONFIG)).map(_.toInt).getOrElse(getInt(ZkConfigs.ZK_SESSION_TIMEOUT_MS_CONFIG))
  val zkEnableSecureAcls: Boolean = getBoolean(ZkConfigs.ZK_ENABLE_SECURE_ACLS_CONFIG)
  val zkMaxInFlightRequests: Int = getInt(ZkConfigs.ZK_MAX_IN_FLIGHT_REQUESTS_CONFIG)

  private val _remoteLogManagerConfig = new RemoteLogManagerConfig(this)
  def remoteLogManagerConfig = _remoteLogManagerConfig

  private def zkBooleanConfigOrSystemPropertyWithDefaultValue(propKey: String): Boolean = {
    // Use the system property if it exists and the Kafka config value was defaulted rather than actually provided
    // Need to translate any system property value from true/false (String) to true/false (Boolean)
    val actuallyProvided = originals.containsKey(propKey)
    if (actuallyProvided) getBoolean(propKey) else {
      val sysPropValue = KafkaConfig.zooKeeperClientProperty(zkClientConfigViaSystemProperties, propKey)
      sysPropValue match {
        case Some("true") => true
        case Some(_) => false
        case _ => getBoolean(propKey) // not specified so use the default value
      }
    }
  }

  private def zkStringConfigOrSystemPropertyWithDefaultValue(propKey: String): String = {
    // Use the system property if it exists and the Kafka config value was defaulted rather than actually provided
    val actuallyProvided = originals.containsKey(propKey)
    if (actuallyProvided) getString(propKey) else {
      KafkaConfig.zooKeeperClientProperty(zkClientConfigViaSystemProperties, propKey) match {
        case Some(v) => v
        case _ => getString(propKey) // not specified so use the default value
      }
    }
  }

  private def zkOptionalStringConfigOrSystemProperty(propKey: String): Option[String] = {
    Option(getString(propKey)).orElse {
      KafkaConfig.zooKeeperClientProperty(zkClientConfigViaSystemProperties, propKey)
    }
  }
  private def zkPasswordConfigOrSystemProperty(propKey: String): Option[Password] = {
    Option(getPassword(propKey)).orElse {
      KafkaConfig.zooKeeperClientProperty(zkClientConfigViaSystemProperties, propKey).map(new Password(_))
    }
  }
  private def zkListConfigOrSystemProperty(propKey: String): Option[util.List[String]] = {
    Option(getList(propKey)).orElse {
      KafkaConfig.zooKeeperClientProperty(zkClientConfigViaSystemProperties, propKey).map { sysProp =>
        sysProp.split("\\s*,\\s*").toBuffer.asJava
      }
    }
  }

  val zkSslClientEnable = zkBooleanConfigOrSystemPropertyWithDefaultValue(ZkConfigs.ZK_SSL_CLIENT_ENABLE_CONFIG)
  val zkClientCnxnSocketClassName = zkOptionalStringConfigOrSystemProperty(ZkConfigs.ZK_CLIENT_CNXN_SOCKET_CONFIG)
  val zkSslKeyStoreLocation = zkOptionalStringConfigOrSystemProperty(ZkConfigs.ZK_SSL_KEY_STORE_LOCATION_CONFIG)
  val zkSslKeyStorePassword = zkPasswordConfigOrSystemProperty(ZkConfigs.ZK_SSL_KEY_STORE_PASSWORD_CONFIG)
  val zkSslKeyStoreType = zkOptionalStringConfigOrSystemProperty(ZkConfigs.ZK_SSL_KEY_STORE_TYPE_CONFIG)
  val zkSslTrustStoreLocation = zkOptionalStringConfigOrSystemProperty(ZkConfigs.ZK_SSL_TRUST_STORE_LOCATION_CONFIG)
  val zkSslTrustStorePassword = zkPasswordConfigOrSystemProperty(ZkConfigs.ZK_SSL_TRUST_STORE_PASSWORD_CONFIG)
  val zkSslTrustStoreType = zkOptionalStringConfigOrSystemProperty(ZkConfigs.ZK_SSL_TRUST_STORE_TYPE_CONFIG)
  val ZkSslProtocol = zkStringConfigOrSystemPropertyWithDefaultValue(ZkConfigs.ZK_SSL_PROTOCOL_CONFIG)
  val ZkSslEnabledProtocols = zkListConfigOrSystemProperty(ZkConfigs.ZK_SSL_ENABLED_PROTOCOLS_CONFIG)
  val ZkSslCipherSuites = zkListConfigOrSystemProperty(ZkConfigs.ZK_SSL_CIPHER_SUITES_CONFIG)
  val ZkSslEndpointIdentificationAlgorithm = {
    // Use the system property if it exists and the Kafka config value was defaulted rather than actually provided
    // Need to translate any system property value from true/false to HTTPS/<blank>
    val kafkaProp = ZkConfigs.ZK_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM_CONFIG
    val actuallyProvided = originals.containsKey(kafkaProp)
    if (actuallyProvided)
      getString(kafkaProp)
    else {
      KafkaConfig.zooKeeperClientProperty(zkClientConfigViaSystemProperties, kafkaProp) match {
        case Some("true") => "HTTPS"
        case Some(_) => ""
        case None => getString(kafkaProp) // not specified so use the default value
      }
    }
  }
  val ZkSslCrlEnable = zkBooleanConfigOrSystemPropertyWithDefaultValue(ZkConfigs.ZK_SSL_CRL_ENABLE_CONFIG)
  val ZkSslOcspEnable = zkBooleanConfigOrSystemPropertyWithDefaultValue(ZkConfigs.ZK_SSL_OCSP_ENABLE_CONFIG)
  /** ********* General Configuration ***********/
  val brokerIdGenerationEnable: Boolean = getBoolean(KafkaConfig.BrokerIdGenerationEnableProp)
  val maxReservedBrokerId: Int = getInt(KafkaConfig.MaxReservedBrokerIdProp)
  var brokerId: Int = getInt(KafkaConfig.BrokerIdProp)
  val nodeId: Int = getInt(KafkaConfig.NodeIdProp)
  val initialRegistrationTimeoutMs: Int = getInt(KafkaConfig.InitialBrokerRegistrationTimeoutMsProp)
  val brokerHeartbeatIntervalMs: Int = getInt(KafkaConfig.BrokerHeartbeatIntervalMsProp)
  val brokerSessionTimeoutMs: Int = getInt(KafkaConfig.BrokerSessionTimeoutMsProp)

  def requiresZookeeper: Boolean = processRoles.isEmpty
  def usesSelfManagedQuorum: Boolean = processRoles.nonEmpty

  val migrationEnabled: Boolean = getBoolean(KafkaConfig.MigrationEnabledProp)
  val migrationMetadataMinBatchSize: Int = getInt(KafkaConfig.MigrationMetadataMinBatchSizeProp)

  val elrEnabled: Boolean = getBoolean(KafkaConfig.ElrEnabledProp)

  private def parseProcessRoles(): Set[ProcessRole] = {
    val roles = getList(KafkaConfig.ProcessRolesProp).asScala.map {
      case "broker" => ProcessRole.BrokerRole
      case "controller" => ProcessRole.ControllerRole
      case role => throw new ConfigException(s"Unknown process role '$role'" +
        " (only 'broker' and 'controller' are allowed roles)")
    }

    val distinctRoles: Set[ProcessRole] = roles.toSet

    if (distinctRoles.size != roles.size) {
      throw new ConfigException(s"Duplicate role names found in `${KafkaConfig.ProcessRolesProp}`: $roles")
    }

    distinctRoles
  }

  def isKRaftCombinedMode: Boolean = {
    processRoles == Set(ProcessRole.BrokerRole, ProcessRole.ControllerRole)
  }

  def metadataLogDir: String = {
    Option(getString(KafkaConfig.MetadataLogDirProp)) match {
      case Some(dir) => dir
      case None => logDirs.head
    }
  }

  def metadataLogSegmentBytes = getInt(KafkaConfig.MetadataLogSegmentBytesProp)
  def metadataLogSegmentMillis = getLong(KafkaConfig.MetadataLogSegmentMillisProp)
  def metadataRetentionBytes = getLong(KafkaConfig.MetadataMaxRetentionBytesProp)
  def metadataRetentionMillis = getLong(KafkaConfig.MetadataMaxRetentionMillisProp)
  val serverMaxStartupTimeMs = getLong(KafkaConfig.ServerMaxStartupTimeMsProp)

  def numNetworkThreads = getInt(KafkaConfig.NumNetworkThreadsProp)
  def backgroundThreads = getInt(KafkaConfig.BackgroundThreadsProp)
  val queuedMaxRequests = getInt(KafkaConfig.QueuedMaxRequestsProp)
  val queuedMaxBytes = getLong(KafkaConfig.QueuedMaxBytesProp)
  def numIoThreads = getInt(KafkaConfig.NumIoThreadsProp)
  def messageMaxBytes = getInt(KafkaConfig.MessageMaxBytesProp)
  val requestTimeoutMs = getInt(KafkaConfig.RequestTimeoutMsProp)
  val connectionSetupTimeoutMs = getLong(KafkaConfig.ConnectionSetupTimeoutMsProp)
  val connectionSetupTimeoutMaxMs = getLong(KafkaConfig.ConnectionSetupTimeoutMaxMsProp)

  def getNumReplicaAlterLogDirsThreads: Int = {
    val numThreads: Integer = Option(getInt(KafkaConfig.NumReplicaAlterLogDirsThreadsProp)).getOrElse(logDirs.size)
    numThreads
  }

  /************* Metadata Configuration ***********/
  val metadataSnapshotMaxNewRecordBytes = getLong(KafkaConfig.MetadataSnapshotMaxNewRecordBytesProp)
  val metadataSnapshotMaxIntervalMs = getLong(KafkaConfig.MetadataSnapshotMaxIntervalMsProp)
  val metadataMaxIdleIntervalNs: Option[Long] = {
    val value = TimeUnit.NANOSECONDS.convert(getInt(KafkaConfig.MetadataMaxIdleIntervalMsProp).toLong, TimeUnit.MILLISECONDS)
    if (value > 0) Some(value) else None
  }

  /************* Authorizer Configuration ***********/
  def createNewAuthorizer(): Option[Authorizer] = {
    val className = getString(KafkaConfig.AuthorizerClassNameProp)
    if (className == null || className.isEmpty)
      None
    else {
      Some(AuthorizerUtils.createAuthorizer(className))
    }
  }

  val earlyStartListeners: Set[ListenerName] = {
    val listenersSet = listeners.map(_.listenerName).toSet
    val controllerListenersSet = controllerListeners.map(_.listenerName).toSet
    Option(getString(KafkaConfig.EarlyStartListenersProp)) match {
      case None => controllerListenersSet
      case Some(str) =>
        str.split(",").map(_.trim()).filterNot(_.isEmpty).map { str =>
          val listenerName = new ListenerName(str)
          if (!listenersSet.contains(listenerName) && !controllerListenersSet.contains(listenerName))
            throw new ConfigException(s"${KafkaConfig.EarlyStartListenersProp} contains " +
              s"listener ${listenerName.value()}, but this is not contained in " +
              s"${KafkaConfig.ListenersProp} or ${KafkaConfig.ControllerListenerNamesProp}")
          listenerName
        }.toSet
    }
  }

  /** ********* Socket Server Configuration ***********/
  val socketSendBufferBytes = getInt(KafkaConfig.SocketSendBufferBytesProp)
  val socketReceiveBufferBytes = getInt(KafkaConfig.SocketReceiveBufferBytesProp)
  val socketRequestMaxBytes = getInt(KafkaConfig.SocketRequestMaxBytesProp)
  val socketListenBacklogSize = getInt(KafkaConfig.SocketListenBacklogSizeProp)
  val maxConnectionsPerIp = getInt(KafkaConfig.MaxConnectionsPerIpProp)
  val maxConnectionsPerIpOverrides: Map[String, Int] =
    getMap(KafkaConfig.MaxConnectionsPerIpOverridesProp, getString(KafkaConfig.MaxConnectionsPerIpOverridesProp)).map { case (k, v) => (k, v.toInt)}
  def maxConnections = getInt(KafkaConfig.MaxConnectionsProp)
  def maxConnectionCreationRate = getInt(KafkaConfig.MaxConnectionCreationRateProp)
  val connectionsMaxIdleMs = getLong(KafkaConfig.ConnectionsMaxIdleMsProp)
  val failedAuthenticationDelayMs = getInt(KafkaConfig.FailedAuthenticationDelayMsProp)

  /***************** rack configuration **************/
  val rack = Option(getString(KafkaConfig.RackProp))
  val replicaSelectorClassName = Option(getString(ReplicationConfigs.REPLICA_SELECTOR_CLASS_CONFIG))

  /** ********* Log Configuration ***********/
  val autoCreateTopicsEnable = getBoolean(ServerLogConfigs.AUTO_CREATE_TOPICS_ENABLE_CONFIG)
  val numPartitions = getInt(ServerLogConfigs.NUM_PARTITIONS_CONFIG)
  val logDirs = CoreUtils.parseCsvList(Option(getString(ServerLogConfigs.LOG_DIRS_CONFIG)).getOrElse(getString(ServerLogConfigs.LOG_DIR_CONFIG)))
  def logSegmentBytes = getInt(ServerLogConfigs.LOG_SEGMENT_BYTES_CONFIG)
  def logFlushIntervalMessages = getLong(ServerLogConfigs.LOG_FLUSH_INTERVAL_MESSAGES_CONFIG)
  val logCleanerThreads = getInt(CleanerConfig.LOG_CLEANER_THREADS_PROP)
  def numRecoveryThreadsPerDataDir = getInt(ServerLogConfigs.NUM_RECOVERY_THREADS_PER_DATA_DIR_CONFIG)
  val logFlushSchedulerIntervalMs = getLong(ServerLogConfigs.LOG_FLUSH_SCHEDULER_INTERVAL_MS_CONFIG)
  val logFlushOffsetCheckpointIntervalMs = getInt(ServerLogConfigs.LOG_FLUSH_OFFSET_CHECKPOINT_INTERVAL_MS_CONFIG).toLong
  val logFlushStartOffsetCheckpointIntervalMs = getInt(ServerLogConfigs.LOG_FLUSH_START_OFFSET_CHECKPOINT_INTERVAL_MS_CONFIG).toLong
  val logCleanupIntervalMs = getLong(ServerLogConfigs.LOG_CLEANUP_INTERVAL_MS_CONFIG)
  def logCleanupPolicy = getList(ServerLogConfigs.LOG_CLEANUP_POLICY_CONFIG)

  val offsetsRetentionMinutes = getInt(GroupCoordinatorConfig.OFFSETS_RETENTION_MINUTES_CONFIG)
  val offsetsRetentionCheckIntervalMs = getLong(GroupCoordinatorConfig.OFFSETS_RETENTION_CHECK_INTERVAL_MS_CONFIG)
  def logRetentionBytes = getLong(ServerLogConfigs.LOG_RETENTION_BYTES_CONFIG)
  val logCleanerDedupeBufferSize = getLong(CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_SIZE_PROP)
  val logCleanerDedupeBufferLoadFactor = getDouble(CleanerConfig.LOG_CLEANER_DEDUPE_BUFFER_LOAD_FACTOR_PROP)
  val logCleanerIoBufferSize = getInt(CleanerConfig.LOG_CLEANER_IO_BUFFER_SIZE_PROP)
  val logCleanerIoMaxBytesPerSecond = getDouble(CleanerConfig.LOG_CLEANER_IO_MAX_BYTES_PER_SECOND_PROP)
  def logCleanerDeleteRetentionMs = getLong(CleanerConfig.LOG_CLEANER_DELETE_RETENTION_MS_PROP)
  def logCleanerMinCompactionLagMs = getLong(CleanerConfig.LOG_CLEANER_MIN_COMPACTION_LAG_MS_PROP)
  def logCleanerMaxCompactionLagMs = getLong(CleanerConfig.LOG_CLEANER_MAX_COMPACTION_LAG_MS_PROP)
  val logCleanerBackoffMs = getLong(CleanerConfig.LOG_CLEANER_BACKOFF_MS_PROP)
  def logCleanerMinCleanRatio = getDouble(CleanerConfig.LOG_CLEANER_MIN_CLEAN_RATIO_PROP)
  val logCleanerEnable = getBoolean(CleanerConfig.LOG_CLEANER_ENABLE_PROP)
  def logIndexSizeMaxBytes = getInt(ServerLogConfigs.LOG_INDEX_SIZE_MAX_BYTES_CONFIG)
  def logIndexIntervalBytes = getInt(ServerLogConfigs.LOG_INDEX_INTERVAL_BYTES_CONFIG)
  def logDeleteDelayMs = getLong(ServerLogConfigs.LOG_DELETE_DELAY_MS_CONFIG)
  def logRollTimeMillis: java.lang.Long = Option(getLong(ServerLogConfigs.LOG_ROLL_TIME_MILLIS_CONFIG)).getOrElse(60 * 60 * 1000L * getInt(ServerLogConfigs.LOG_ROLL_TIME_HOURS_CONFIG))
  def logRollTimeJitterMillis: java.lang.Long = Option(getLong(ServerLogConfigs.LOG_ROLL_TIME_JITTER_MILLIS_CONFIG)).getOrElse(60 * 60 * 1000L * getInt(ServerLogConfigs.LOG_ROLL_TIME_JITTER_HOURS_CONFIG))
  def logFlushIntervalMs: java.lang.Long = Option(getLong(ServerLogConfigs.LOG_FLUSH_INTERVAL_MS_CONFIG)).getOrElse(getLong(ServerLogConfigs.LOG_FLUSH_SCHEDULER_INTERVAL_MS_CONFIG))
  def minInSyncReplicas = getInt(ServerLogConfigs.MIN_IN_SYNC_REPLICAS_CONFIG)
  def logPreAllocateEnable: java.lang.Boolean = getBoolean(ServerLogConfigs.LOG_PRE_ALLOCATE_CONFIG)
  def logInitialTaskDelayMs: java.lang.Long = Option(getLong(ServerLogConfigs.LOG_INITIAL_TASK_DELAY_MS_CONFIG)).getOrElse(ServerLogConfigs.LOG_INITIAL_TASK_DELAY_MS_DEFAULT)

  // We keep the user-provided String as `MetadataVersion.fromVersionString` can choose a slightly different version (eg if `0.10.0`
  // is passed, `0.10.0-IV0` may be picked)
  @nowarn("cat=deprecation")
  private val logMessageFormatVersionString = getString(ServerLogConfigs.LOG_MESSAGE_FORMAT_VERSION_CONFIG)

  /* See `TopicConfig.MESSAGE_FORMAT_VERSION_CONFIG` for details */
  @deprecated("3.0")
  lazy val logMessageFormatVersion =
    if (LogConfig.shouldIgnoreMessageFormatVersion(interBrokerProtocolVersion))
      MetadataVersion.fromVersionString(ServerLogConfigs.LOG_MESSAGE_FORMAT_VERSION_DEFAULT)
    else MetadataVersion.fromVersionString(logMessageFormatVersionString)

  def logMessageTimestampType = TimestampType.forName(getString(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_TYPE_CONFIG))

  /* See `TopicConfig.MESSAGE_TIMESTAMP_DIFFERENCE_MAX_MS_CONFIG` for details */
  @deprecated("3.6")
  def logMessageTimestampDifferenceMaxMs: Long = getLong(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_DIFFERENCE_MAX_MS_CONFIG)

  // In the transition period before logMessageTimestampDifferenceMaxMs is removed, to maintain backward compatibility,
  // we are using its value if logMessageTimestampBeforeMaxMs default value hasn't changed.
  // See `TopicConfig.MESSAGE_FORMAT_VERSION_CONFIG` for deprecation details
  @nowarn("cat=deprecation")
  def logMessageTimestampBeforeMaxMs: Long = {
    val messageTimestampBeforeMaxMs: Long = getLong(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_BEFORE_MAX_MS_CONFIG)
    if (messageTimestampBeforeMaxMs != ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_DIFFERENCE_MAX_MS_DEFAULT) {
      messageTimestampBeforeMaxMs
    } else {
      logMessageTimestampDifferenceMaxMs
    }
  }

  // In the transition period before logMessageTimestampDifferenceMaxMs is removed, to maintain backward compatibility,
  // we are using its value if logMessageTimestampAfterMaxMs default value hasn't changed.
  // See `TopicConfig.MESSAGE_FORMAT_VERSION_CONFIG` for deprecation details
  @nowarn("cat=deprecation")
  def logMessageTimestampAfterMaxMs: Long = {
    val messageTimestampAfterMaxMs: Long = getLong(ServerLogConfigs.LOG_MESSAGE_TIMESTAMP_AFTER_MAX_MS_CONFIG)
    if (messageTimestampAfterMaxMs != Long.MaxValue) {
      messageTimestampAfterMaxMs
    } else {
      logMessageTimestampDifferenceMaxMs
    }
  }

  def logMessageDownConversionEnable: Boolean = getBoolean(ServerLogConfigs.LOG_MESSAGE_DOWNCONVERSION_ENABLE_CONFIG)

  /** ********* Replication configuration ***********/
  val controllerSocketTimeoutMs: Int = getInt(ReplicationConfigs.CONTROLLER_SOCKET_TIMEOUT_MS_CONFIG)
  val defaultReplicationFactor: Int = getInt(ReplicationConfigs.DEFAULT_REPLICATION_FACTOR_CONFIG)
  val replicaLagTimeMaxMs = getLong(ReplicationConfigs.REPLICA_LAG_TIME_MAX_MS_CONFIG)
  val replicaSocketTimeoutMs = getInt(ReplicationConfigs.REPLICA_SOCKET_TIMEOUT_MS_CONFIG)
  val replicaSocketReceiveBufferBytes = getInt(ReplicationConfigs.REPLICA_SOCKET_RECEIVE_BUFFER_BYTES_CONFIG)
  val replicaFetchMaxBytes = getInt(ReplicationConfigs.REPLICA_FETCH_MAX_BYTES_CONFIG)
  val replicaFetchWaitMaxMs = getInt(ReplicationConfigs.REPLICA_FETCH_WAIT_MAX_MS_CONFIG)
  val replicaFetchMinBytes = getInt(ReplicationConfigs.REPLICA_FETCH_MIN_BYTES_CONFIG)
  val replicaFetchResponseMaxBytes = getInt(ReplicationConfigs.REPLICA_FETCH_RESPONSE_MAX_BYTES_CONFIG)
  val replicaFetchBackoffMs = getInt(ReplicationConfigs.REPLICA_FETCH_BACKOFF_MS_CONFIG)
  def numReplicaFetchers = getInt(ReplicationConfigs.NUM_REPLICA_FETCHERS_CONFIG)
  val replicaHighWatermarkCheckpointIntervalMs = getLong(ReplicationConfigs.REPLICA_HIGH_WATERMARK_CHECKPOINT_INTERVAL_MS_CONFIG)
  val fetchPurgatoryPurgeIntervalRequests = getInt(ReplicationConfigs.FETCH_PURGATORY_PURGE_INTERVAL_REQUESTS_CONFIG)
  val producerPurgatoryPurgeIntervalRequests = getInt(ReplicationConfigs.PRODUCER_PURGATORY_PURGE_INTERVAL_REQUESTS_CONFIG)
  val deleteRecordsPurgatoryPurgeIntervalRequests = getInt(ReplicationConfigs.DELETE_RECORDS_PURGATORY_PURGE_INTERVAL_REQUESTS_CONFIG)
  val autoLeaderRebalanceEnable = getBoolean(ReplicationConfigs.AUTO_LEADER_REBALANCE_ENABLE_CONFIG)
  val leaderImbalancePerBrokerPercentage = getInt(ReplicationConfigs.LEADER_IMBALANCE_PER_BROKER_PERCENTAGE_CONFIG)
  val leaderImbalanceCheckIntervalSeconds: Long = getLong(ReplicationConfigs.LEADER_IMBALANCE_CHECK_INTERVAL_SECONDS_CONFIG)
  def uncleanLeaderElectionEnable: java.lang.Boolean = getBoolean(ReplicationConfigs.UNCLEAN_LEADER_ELECTION_ENABLE_CONFIG)

  // We keep the user-provided String as `MetadataVersion.fromVersionString` can choose a slightly different version (eg if `0.10.0`
  // is passed, `0.10.0-IV0` may be picked)
  val interBrokerProtocolVersionString = getString(ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_CONFIG)
  val interBrokerProtocolVersion = if (processRoles.isEmpty) {
    MetadataVersion.fromVersionString(interBrokerProtocolVersionString)
  } else {
    if (originals.containsKey(ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_CONFIG)) {
      // A user-supplied IBP was given
      val configuredVersion = MetadataVersion.fromVersionString(interBrokerProtocolVersionString)
      if (!configuredVersion.isKRaftSupported) {
        throw new ConfigException(s"A non-KRaft version $interBrokerProtocolVersionString given for ${ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_CONFIG}. " +
          s"The minimum version is ${MetadataVersion.MINIMUM_KRAFT_VERSION}")
      } else {
        warn(s"${ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_CONFIG} is deprecated in KRaft mode as of 3.3 and will only " +
          s"be read when first upgrading from a KRaft prior to 3.3. See kafka-storage.sh help for details on setting " +
          s"the metadata.version for a new KRaft cluster.")
      }
    }
    // In KRaft mode, we pin this value to the minimum KRaft-supported version. This prevents inadvertent usage of
    // the static IBP config in broker components running in KRaft mode
    MetadataVersion.MINIMUM_KRAFT_VERSION
  }

  /** ********* Controlled shutdown configuration ***********/
  val controlledShutdownMaxRetries = getInt(KafkaConfig.ControlledShutdownMaxRetriesProp)
  val controlledShutdownRetryBackoffMs = getLong(KafkaConfig.ControlledShutdownRetryBackoffMsProp)
  val controlledShutdownEnable = getBoolean(KafkaConfig.ControlledShutdownEnableProp)

  /** ********* Feature configuration ***********/
  def isFeatureVersioningSupported = interBrokerProtocolVersion.isFeatureVersioningSupported

  /** ********* Group coordinator configuration ***********/
  val groupMinSessionTimeoutMs = getInt(GroupCoordinatorConfig.GROUP_MIN_SESSION_TIMEOUT_MS_CONFIG)
  val groupMaxSessionTimeoutMs = getInt(GroupCoordinatorConfig.GROUP_MAX_SESSION_TIMEOUT_MS_CONFIG)
  val groupInitialRebalanceDelay = getInt(GroupCoordinatorConfig.GROUP_INITIAL_REBALANCE_DELAY_MS_CONFIG)
  val groupMaxSize = getInt(GroupCoordinatorConfig.GROUP_MAX_SIZE_CONFIG)

  /** New group coordinator configs */
  val groupCoordinatorRebalanceProtocols = {
    val protocols = getList(GroupCoordinatorConfig.GROUP_COORDINATOR_REBALANCE_PROTOCOLS_CONFIG)
      .asScala.map(_.toUpperCase).map(GroupType.valueOf).toSet
    if (!protocols.contains(GroupType.CLASSIC)) {
      throw new ConfigException(s"Disabling the '${GroupType.CLASSIC}' protocol is not supported.")
    }
    if (protocols.contains(GroupType.CONSUMER)) {
      warn(s"The new '${GroupType.CONSUMER}' rebalance protocol is enabled along with the new group coordinator. " +
        "This is part of the early access of KIP-848 and MUST NOT be used in production.")
    }
    protocols
  }
  // The new group coordinator is enabled in two cases: 1) The internal configuration to enable
  // it is explicitly set; or 2) the consumer rebalance protocol is enabled.
  val isNewGroupCoordinatorEnabled = getBoolean(GroupCoordinatorConfig.NEW_GROUP_COORDINATOR_ENABLE_CONFIG) ||
    groupCoordinatorRebalanceProtocols.contains(GroupType.CONSUMER)
  val groupCoordinatorNumThreads = getInt(GroupCoordinatorConfig.GROUP_COORDINATOR_NUM_THREADS_CONFIG)

  /** Consumer group configs */
  val consumerGroupSessionTimeoutMs = getInt(GroupCoordinatorConfig.CONSUMER_GROUP_SESSION_TIMEOUT_MS_CONFIG)
  val consumerGroupMinSessionTimeoutMs = getInt(GroupCoordinatorConfig.CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS_CONFIG)
  val consumerGroupMaxSessionTimeoutMs = getInt(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS_CONFIG)
  val consumerGroupHeartbeatIntervalMs = getInt(GroupCoordinatorConfig.CONSUMER_GROUP_HEARTBEAT_INTERVAL_MS_CONFIG)
  val consumerGroupMinHeartbeatIntervalMs = getInt(GroupCoordinatorConfig.CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS_CONFIG)
  val consumerGroupMaxHeartbeatIntervalMs = getInt(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS_CONFIG)
  val consumerGroupMaxSize = getInt(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SIZE_CONFIG)
  val consumerGroupAssignors = getConfiguredInstances(GroupCoordinatorConfig.CONSUMER_GROUP_ASSIGNORS_CONFIG, classOf[PartitionAssignor])
  val consumerGroupMigrationPolicy = ConsumerGroupMigrationPolicy.parse(getString(GroupCoordinatorConfig.CONSUMER_GROUP_MIGRATION_POLICY_CONFIG))

  /** ********* Offset management configuration ***********/
  val offsetMetadataMaxSize = getInt(GroupCoordinatorConfig.OFFSET_METADATA_MAX_SIZE_CONFIG)
  val offsetsLoadBufferSize = getInt(GroupCoordinatorConfig.OFFSETS_LOAD_BUFFER_SIZE_CONFIG)
  val offsetsTopicReplicationFactor = getShort(GroupCoordinatorConfig.OFFSETS_TOPIC_REPLICATION_FACTOR_CONFIG)
  val offsetsTopicPartitions = getInt(GroupCoordinatorConfig.OFFSETS_TOPIC_PARTITIONS_CONFIG)
  val offsetCommitTimeoutMs = getInt(GroupCoordinatorConfig.OFFSET_COMMIT_TIMEOUT_MS_CONFIG)
  val offsetCommitRequiredAcks = getShort(GroupCoordinatorConfig.OFFSET_COMMIT_REQUIRED_ACKS_CONFIG)
  val offsetsTopicSegmentBytes = getInt(GroupCoordinatorConfig.OFFSETS_TOPIC_SEGMENT_BYTES_CONFIG)
  val offsetsTopicCompressionType = Option(getInt(GroupCoordinatorConfig.OFFSETS_TOPIC_COMPRESSION_CODEC_CONFIG)).map(value => CompressionType.forId(value)).orNull

  /** ********* Transaction management configuration ***********/
  val transactionalIdExpirationMs = getInt(TransactionStateManagerConfigs.TRANSACTIONAL_ID_EXPIRATION_MS_CONFIG)
  val transactionMaxTimeoutMs = getInt(TransactionStateManagerConfigs.TRANSACTIONS_MAX_TIMEOUT_MS_CONFIG)
  val transactionTopicMinISR = getInt(TransactionLogConfigs.TRANSACTIONS_TOPIC_MIN_ISR_CONFIG)
  val transactionsLoadBufferSize = getInt(TransactionLogConfigs.TRANSACTIONS_LOAD_BUFFER_SIZE_CONFIG)
  val transactionTopicReplicationFactor = getShort(TransactionLogConfigs.TRANSACTIONS_TOPIC_REPLICATION_FACTOR_CONFIG)
  val transactionTopicPartitions = getInt(TransactionLogConfigs.TRANSACTIONS_TOPIC_PARTITIONS_CONFIG)
  val transactionTopicSegmentBytes = getInt(TransactionLogConfigs.TRANSACTIONS_TOPIC_SEGMENT_BYTES_CONFIG)
  val transactionAbortTimedOutTransactionCleanupIntervalMs = getInt(TransactionStateManagerConfigs.TRANSACTIONS_ABORT_TIMED_OUT_TRANSACTION_CLEANUP_INTERVAL_MS_CONFIG)
  val transactionRemoveExpiredTransactionalIdCleanupIntervalMs = getInt(TransactionStateManagerConfigs.TRANSACTIONS_REMOVE_EXPIRED_TRANSACTIONAL_ID_CLEANUP_INTERVAL_MS_CONFIG)

  def transactionPartitionVerificationEnable = getBoolean(TransactionLogConfigs.TRANSACTION_PARTITION_VERIFICATION_ENABLE_CONFIG)

  def producerIdExpirationMs = getInt(TransactionLogConfigs.PRODUCER_ID_EXPIRATION_MS_CONFIG)
  val producerIdExpirationCheckIntervalMs = getInt(TransactionLogConfigs.PRODUCER_ID_EXPIRATION_CHECK_INTERVAL_MS_CONFIG)

  /** ********* Metric Configuration **************/
  val metricNumSamples = getInt(KafkaConfig.MetricNumSamplesProp)
  val metricSampleWindowMs = getLong(KafkaConfig.MetricSampleWindowMsProp)
  val metricRecordingLevel = getString(KafkaConfig.MetricRecordingLevelProp)

  /** ********* Kafka Client Telemetry Metrics Configuration ***********/
  val clientTelemetryMaxBytes: Int = getInt(KafkaConfig.ClientTelemetryMaxBytesProp)

  /** ********* SSL/SASL Configuration **************/
  // Security configs may be overridden for listeners, so it is not safe to use the base values
  // Hence the base SSL/SASL configs are not fields of KafkaConfig, listener configs should be
  // retrieved using KafkaConfig#valuesWithPrefixOverride
  private def saslEnabledMechanisms(listenerName: ListenerName): Set[String] = {
    val value = valuesWithPrefixOverride(listenerName.configPrefix).get(KafkaSecurityConfigs.SASL_ENABLED_MECHANISMS_CONFIG)
    if (value != null)
      value.asInstanceOf[util.List[String]].asScala.toSet
    else
      Set.empty[String]
  }

  def interBrokerListenerName = getInterBrokerListenerNameAndSecurityProtocol._1
  def interBrokerSecurityProtocol = getInterBrokerListenerNameAndSecurityProtocol._2
  def controlPlaneListenerName = getControlPlaneListenerNameAndSecurityProtocol.map { case (listenerName, _) => listenerName }
  def controlPlaneSecurityProtocol = getControlPlaneListenerNameAndSecurityProtocol.map { case (_, securityProtocol) => securityProtocol }
  def saslMechanismInterBrokerProtocol = getString(KafkaSecurityConfigs.SASL_MECHANISM_INTER_BROKER_PROTOCOL_CONFIG)
  val saslInterBrokerHandshakeRequestEnable = interBrokerProtocolVersion.isSaslInterBrokerHandshakeRequestEnabled

  /** ********* DelegationToken Configuration **************/
  val delegationTokenSecretKey = Option(getPassword(KafkaConfig.DelegationTokenSecretKeyProp))
    .getOrElse(getPassword(KafkaConfig.DelegationTokenSecretKeyAliasProp))
  val tokenAuthEnabled = delegationTokenSecretKey != null && delegationTokenSecretKey.value.nonEmpty
  val delegationTokenMaxLifeMs = getLong(KafkaConfig.DelegationTokenMaxLifeTimeProp)
  val delegationTokenExpiryTimeMs = getLong(KafkaConfig.DelegationTokenExpiryTimeMsProp)
  val delegationTokenExpiryCheckIntervalMs = getLong(KafkaConfig.DelegationTokenExpiryCheckIntervalMsProp)

  /** ********* Password encryption configuration for dynamic configs *********/
  def passwordEncoderSecret = Option(getPassword(KafkaConfig.PasswordEncoderSecretProp))
  def passwordEncoderOldSecret = Option(getPassword(KafkaConfig.PasswordEncoderOldSecretProp))
  def passwordEncoderCipherAlgorithm = getString(KafkaConfig.PasswordEncoderCipherAlgorithmProp)
  def passwordEncoderKeyFactoryAlgorithm = getString(KafkaConfig.PasswordEncoderKeyFactoryAlgorithmProp)
  def passwordEncoderKeyLength = getInt(KafkaConfig.PasswordEncoderKeyLengthProp)
  def passwordEncoderIterations = getInt(KafkaConfig.PasswordEncoderIterationsProp)

  /** ********* Quota Configuration **************/
  val numQuotaSamples = getInt(KafkaConfig.NumQuotaSamplesProp)
  val quotaWindowSizeSeconds = getInt(KafkaConfig.QuotaWindowSizeSecondsProp)
  val numReplicationQuotaSamples = getInt(KafkaConfig.NumReplicationQuotaSamplesProp)
  val replicationQuotaWindowSizeSeconds = getInt(KafkaConfig.ReplicationQuotaWindowSizeSecondsProp)
  val numAlterLogDirsReplicationQuotaSamples = getInt(KafkaConfig.NumAlterLogDirsReplicationQuotaSamplesProp)
  val alterLogDirsReplicationQuotaWindowSizeSeconds = getInt(KafkaConfig.AlterLogDirsReplicationQuotaWindowSizeSecondsProp)
  val numControllerQuotaSamples = getInt(KafkaConfig.NumControllerQuotaSamplesProp)
  val controllerQuotaWindowSizeSeconds = getInt(KafkaConfig.ControllerQuotaWindowSizeSecondsProp)

  /** ********* Fetch Configuration **************/
  val maxIncrementalFetchSessionCacheSlots = getInt(KafkaConfig.MaxIncrementalFetchSessionCacheSlots)
  val fetchMaxBytes = getInt(KafkaConfig.FetchMaxBytes)

  /** ********* Request Limit Configuration ***********/
  val maxRequestPartitionSizeLimit = getInt(KafkaConfig.MaxRequestPartitionSizeLimit)

  val deleteTopicEnable = getBoolean(KafkaConfig.DeleteTopicEnableProp)
  def compressionType = getString(KafkaConfig.CompressionTypeProp)

  /** ********* Raft Quorum Configuration *********/
  val quorumVoters = getList(RaftConfig.QUORUM_VOTERS_CONFIG)
  val quorumElectionTimeoutMs = getInt(RaftConfig.QUORUM_ELECTION_TIMEOUT_MS_CONFIG)
  val quorumFetchTimeoutMs = getInt(RaftConfig.QUORUM_FETCH_TIMEOUT_MS_CONFIG)
  val quorumElectionBackoffMs = getInt(RaftConfig.QUORUM_ELECTION_BACKOFF_MAX_MS_CONFIG)
  val quorumLingerMs = getInt(RaftConfig.QUORUM_LINGER_MS_CONFIG)
  val quorumRequestTimeoutMs = getInt(RaftConfig.QUORUM_REQUEST_TIMEOUT_MS_CONFIG)
  val quorumRetryBackoffMs = getInt(RaftConfig.QUORUM_RETRY_BACKOFF_MS_CONFIG)

  /** Internal Configurations **/
  val unstableApiVersionsEnabled = getBoolean(KafkaConfig.UnstableApiVersionsEnableProp)
  val unstableMetadataVersionsEnabled = getBoolean(KafkaConfig.UnstableMetadataVersionsEnableProp)

  def addReconfigurable(reconfigurable: Reconfigurable): Unit = {
    dynamicConfig.addReconfigurable(reconfigurable)
  }

  def removeReconfigurable(reconfigurable: Reconfigurable): Unit = {
    dynamicConfig.removeReconfigurable(reconfigurable)
  }

  def logRetentionTimeMillis: Long = {
    val millisInMinute = 60L * 1000L
    val millisInHour = 60L * millisInMinute

    val millis: java.lang.Long =
      Option(getLong(ServerLogConfigs.LOG_RETENTION_TIME_MILLIS_CONFIG)).getOrElse(
        Option(getInt(ServerLogConfigs.LOG_RETENTION_TIME_MINUTES_CONFIG)) match {
          case Some(mins) => millisInMinute * mins
          case None => getInt(ServerLogConfigs.LOG_RETENTION_TIME_HOURS_CONFIG) * millisInHour
        })

    if (millis < 0) return -1
    millis
  }

  private def getMap(propName: String, propValue: String): Map[String, String] = {
    try {
      Csv.parseCsvMap(propValue).asScala
    } catch {
      case e: Exception => throw new IllegalArgumentException("Error parsing configuration property '%s': %s".format(propName, e.getMessage))
    }
  }

  def listeners: Seq[EndPoint] =
    CoreUtils.listenerListToEndPoints(getString(KafkaConfig.ListenersProp), effectiveListenerSecurityProtocolMap)

  def controllerListenerNames: Seq[String] = {
    val value = Option(getString(KafkaConfig.ControllerListenerNamesProp)).getOrElse("")
    if (value.isEmpty) {
      Seq.empty
    } else {
      value.split(",")
    }
  }

  def controllerListeners: Seq[EndPoint] =
    listeners.filter(l => controllerListenerNames.contains(l.listenerName.value()))

  def saslMechanismControllerProtocol: String = getString(KafkaConfig.SaslMechanismControllerProtocolProp)

  def controlPlaneListener: Option[EndPoint] = {
    controlPlaneListenerName.map { listenerName =>
      listeners.filter(endpoint => endpoint.listenerName.value() == listenerName.value()).head
    }
  }

  def dataPlaneListeners: Seq[EndPoint] = {
    listeners.filterNot { listener =>
      val name = listener.listenerName.value()
      name.equals(getString(KafkaConfig.ControlPlaneListenerNameProp)) ||
        controllerListenerNames.contains(name)
    }
  }

  // Use advertised listeners if defined, fallback to listeners otherwise
  def effectiveAdvertisedListeners: Seq[EndPoint] = {
    val advertisedListenersProp = getString(KafkaConfig.AdvertisedListenersProp)
    if (advertisedListenersProp != null)
      CoreUtils.listenerListToEndPoints(advertisedListenersProp, effectiveListenerSecurityProtocolMap, requireDistinctPorts=false)
    else
      listeners.filterNot(l => controllerListenerNames.contains(l.listenerName.value()))
  }

  private def getInterBrokerListenerNameAndSecurityProtocol: (ListenerName, SecurityProtocol) = {
    Option(getString(ReplicationConfigs.INTER_BROKER_LISTENER_NAME_CONFIG)) match {
      case Some(_) if originals.containsKey(ReplicationConfigs.INTER_BROKER_SECURITY_PROTOCOL_CONFIG) =>
        throw new ConfigException(s"Only one of ${ReplicationConfigs.INTER_BROKER_LISTENER_NAME_CONFIG} and " +
          s"${ReplicationConfigs.INTER_BROKER_SECURITY_PROTOCOL_CONFIG} should be set.")
      case Some(name) =>
        val listenerName = ListenerName.normalised(name)
        val securityProtocol = effectiveListenerSecurityProtocolMap.getOrElse(listenerName,
          throw new ConfigException(s"Listener with name ${listenerName.value} defined in " +
            s"${ReplicationConfigs.INTER_BROKER_LISTENER_NAME_CONFIG} not found in ${KafkaConfig.ListenerSecurityProtocolMapProp}."))
        (listenerName, securityProtocol)
      case None =>
        val securityProtocol = getSecurityProtocol(getString(ReplicationConfigs.INTER_BROKER_SECURITY_PROTOCOL_CONFIG),
          ReplicationConfigs.INTER_BROKER_SECURITY_PROTOCOL_CONFIG)
        (ListenerName.forSecurityProtocol(securityProtocol), securityProtocol)
    }
  }

  private def getControlPlaneListenerNameAndSecurityProtocol: Option[(ListenerName, SecurityProtocol)] = {
    Option(getString(KafkaConfig.ControlPlaneListenerNameProp)) match {
      case Some(name) =>
        val listenerName = ListenerName.normalised(name)
        val securityProtocol = effectiveListenerSecurityProtocolMap.getOrElse(listenerName,
          throw new ConfigException(s"Listener with ${listenerName.value} defined in " +
            s"${KafkaConfig.ControlPlaneListenerNameProp} not found in ${KafkaConfig.ListenerSecurityProtocolMapProp}."))
        Some(listenerName, securityProtocol)

      case None => None
   }
  }

  private def getSecurityProtocol(protocolName: String, configName: String): SecurityProtocol = {
    try SecurityProtocol.forName(protocolName)
    catch {
      case _: IllegalArgumentException =>
        throw new ConfigException(s"Invalid security protocol `$protocolName` defined in $configName")
    }
  }

  def effectiveListenerSecurityProtocolMap: Map[ListenerName, SecurityProtocol] = {
    val mapValue = getMap(KafkaConfig.ListenerSecurityProtocolMapProp, getString(KafkaConfig.ListenerSecurityProtocolMapProp))
      .map { case (listenerName, protocolName) =>
        ListenerName.normalised(listenerName) -> getSecurityProtocol(protocolName, KafkaConfig.ListenerSecurityProtocolMapProp)
      }
    if (usesSelfManagedQuorum && !originals.containsKey(ListenerSecurityProtocolMapProp)) {
      // Nothing was specified explicitly for listener.security.protocol.map, so we are using the default value,
      // and we are using KRaft.
      // Add PLAINTEXT mappings for controller listeners as long as there is no SSL or SASL_{PLAINTEXT,SSL} in use
      def isSslOrSasl(name: String): Boolean = name.equals(SecurityProtocol.SSL.name) || name.equals(SecurityProtocol.SASL_SSL.name) || name.equals(SecurityProtocol.SASL_PLAINTEXT.name)
      // check controller listener names (they won't appear in listeners when process.roles=broker)
      // as well as listeners for occurrences of SSL or SASL_*
      if (controllerListenerNames.exists(isSslOrSasl) ||
        parseCsvList(getString(KafkaConfig.ListenersProp)).exists(listenerValue => isSslOrSasl(EndPoint.parseListenerName(listenerValue)))) {
        mapValue // don't add default mappings since we found something that is SSL or SASL_*
      } else {
        // add the PLAINTEXT mappings for all controller listener names that are not explicitly PLAINTEXT
        mapValue ++ controllerListenerNames.filterNot(SecurityProtocol.PLAINTEXT.name.equals(_)).map(
          new ListenerName(_) -> SecurityProtocol.PLAINTEXT)
      }
    } else {
      mapValue
    }
  }

  // Topic IDs are used with all self-managed quorum clusters and ZK cluster with IBP greater than or equal to 2.8
  def usesTopicId: Boolean =
    usesSelfManagedQuorum || interBrokerProtocolVersion.isTopicIdsSupported


  val isRemoteLogStorageSystemEnabled: lang.Boolean = getBoolean(RemoteLogManagerConfig.REMOTE_LOG_STORAGE_SYSTEM_ENABLE_PROP)
  def logLocalRetentionBytes: java.lang.Long = getLong(RemoteLogManagerConfig.LOG_LOCAL_RETENTION_BYTES_PROP)

  def logLocalRetentionMs: java.lang.Long = getLong(RemoteLogManagerConfig.LOG_LOCAL_RETENTION_MS_PROP)

  validateValues()

  @nowarn("cat=deprecation")
  private def validateValues(): Unit = {
    if (nodeId != brokerId) {
      throw new ConfigException(s"You must set `${KafkaConfig.NodeIdProp}` to the same value as `${KafkaConfig.BrokerIdProp}`.")
    }
    if (requiresZookeeper) {
      if (zkConnect == null) {
        throw new ConfigException(s"Missing required configuration `${ZkConfigs.ZK_CONNECT_CONFIG}` which has no default value.")
      }
      if (brokerIdGenerationEnable) {
        require(brokerId >= -1 && brokerId <= maxReservedBrokerId, "broker.id must be greater than or equal to -1 and not greater than reserved.broker.max.id")
      } else {
        require(brokerId >= 0, "broker.id must be greater than or equal to 0")
      }
    } else {
      // KRaft-based metadata quorum
      if (nodeId < 0) {
        throw new ConfigException(s"Missing configuration `${KafkaConfig.NodeIdProp}` which is required " +
          s"when `process.roles` is defined (i.e. when running in KRaft mode).")
      }
      if (migrationEnabled) {
        if (zkConnect == null) {
          throw new ConfigException(s"If using `${KafkaConfig.MigrationEnabledProp}` in KRaft mode, `${ZkConfigs.ZK_CONNECT_CONFIG}` must also be set.")
        }
      }
    }
    require(logRollTimeMillis >= 1, "log.roll.ms must be greater than or equal to 1")
    require(logRollTimeJitterMillis >= 0, "log.roll.jitter.ms must be greater than or equal to 0")
    require(logRetentionTimeMillis >= 1 || logRetentionTimeMillis == -1, "log.retention.ms must be unlimited (-1) or, greater than or equal to 1")
    require(logDirs.nonEmpty, "At least one log directory must be defined via log.dirs or log.dir.")
    if (isRemoteLogStorageSystemEnabled && logDirs.size > 1) {
      throw new ConfigException(s"Multiple log directories `${logDirs.mkString(",")}` are not supported when remote log storage is enabled")
    }
    require(logCleanerDedupeBufferSize / logCleanerThreads > 1024 * 1024, "log.cleaner.dedupe.buffer.size must be at least 1MB per cleaner thread.")
    require(replicaFetchWaitMaxMs <= replicaSocketTimeoutMs, "replica.socket.timeout.ms should always be at least replica.fetch.wait.max.ms" +
      " to prevent unnecessary socket timeouts")
    require(replicaFetchWaitMaxMs <= replicaLagTimeMaxMs, "replica.fetch.wait.max.ms should always be less than or equal to replica.lag.time.max.ms" +
      " to prevent frequent changes in ISR")
    require(offsetCommitRequiredAcks >= -1 && offsetCommitRequiredAcks <= offsetsTopicReplicationFactor,
      "offsets.commit.required.acks must be greater or equal -1 and less or equal to offsets.topic.replication.factor")
    val advertisedListenerNames = effectiveAdvertisedListeners.map(_.listenerName).toSet

    // validate KRaft-related configs
    val voterAddressSpecsByNodeId = RaftConfig.parseVoterConnections(quorumVoters)
    def validateNonEmptyQuorumVotersForKRaft(): Unit = {
      if (voterAddressSpecsByNodeId.isEmpty) {
        throw new ConfigException(s"If using ${KafkaConfig.ProcessRolesProp}, ${KafkaConfig.QuorumVotersProp} must contain a parseable set of voters.")
      }
    }
    def validateNonEmptyQuorumVotersForMigration(): Unit = {
      if (voterAddressSpecsByNodeId.isEmpty) {
        throw new ConfigException(s"If using ${KafkaConfig.MigrationEnabledProp}, ${KafkaConfig.QuorumVotersProp} must contain a parseable set of voters.")
      }
    }
    def validateControlPlaneListenerEmptyForKRaft(): Unit = {
      require(controlPlaneListenerName.isEmpty,
        s"${KafkaConfig.ControlPlaneListenerNameProp} is not supported in KRaft mode.")
    }
    def validateAdvertisedListenersDoesNotContainControllerListenersForKRaftBroker(): Unit = {
      require(!advertisedListenerNames.exists(aln => controllerListenerNames.contains(aln.value())),
        s"The advertised.listeners config must not contain KRaft controller listeners from ${KafkaConfig.ControllerListenerNamesProp} when ${KafkaConfig.ProcessRolesProp} contains the broker role because Kafka clients that send requests via advertised listeners do not send requests to KRaft controllers -- they only send requests to KRaft brokers.")
    }
    def validateControllerQuorumVotersMustContainNodeIdForKRaftController(): Unit = {
      require(voterAddressSpecsByNodeId.containsKey(nodeId),
        s"If ${KafkaConfig.ProcessRolesProp} contains the 'controller' role, the node id $nodeId must be included in the set of voters ${KafkaConfig.QuorumVotersProp}=${voterAddressSpecsByNodeId.asScala.keySet.toSet}")
    }
    def validateControllerListenerExistsForKRaftController(): Unit = {
      require(controllerListeners.nonEmpty,
        s"${KafkaConfig.ControllerListenerNamesProp} must contain at least one value appearing in the '${KafkaConfig.ListenersProp}' configuration when running the KRaft controller role")
    }
    def validateControllerListenerNamesMustAppearInListenersForKRaftController(): Unit = {
      val listenerNameValues = listeners.map(_.listenerName.value).toSet
      require(controllerListenerNames.forall(cln => listenerNameValues.contains(cln)),
        s"${KafkaConfig.ControllerListenerNamesProp} must only contain values appearing in the '${KafkaConfig.ListenersProp}' configuration when running the KRaft controller role")
    }
    def validateAdvertisedListenersNonEmptyForBroker(): Unit = {
      require(advertisedListenerNames.nonEmpty,
        "There must be at least one advertised listener." + (
          if (processRoles.contains(ProcessRole.BrokerRole)) s" Perhaps all listeners appear in $ControllerListenerNamesProp?" else ""))
    }
    if (processRoles == Set(ProcessRole.BrokerRole)) {
      // KRaft broker-only
      validateNonEmptyQuorumVotersForKRaft()
      validateControlPlaneListenerEmptyForKRaft()
      validateAdvertisedListenersDoesNotContainControllerListenersForKRaftBroker()
      // nodeId must not appear in controller.quorum.voters
      require(!voterAddressSpecsByNodeId.containsKey(nodeId),
        s"If ${KafkaConfig.ProcessRolesProp} contains just the 'broker' role, the node id $nodeId must not be included in the set of voters ${KafkaConfig.QuorumVotersProp}=${voterAddressSpecsByNodeId.asScala.keySet.toSet}")
      // controller.listener.names must be non-empty...
      require(controllerListenerNames.nonEmpty,
        s"${KafkaConfig.ControllerListenerNamesProp} must contain at least one value when running KRaft with just the broker role")
      // controller.listener.names are forbidden in listeners...
      require(controllerListeners.isEmpty,
        s"${KafkaConfig.ControllerListenerNamesProp} must not contain a value appearing in the '${KafkaConfig.ListenersProp}' configuration when running KRaft with just the broker role")
      // controller.listener.names must all appear in listener.security.protocol.map
      controllerListenerNames.foreach { name =>
        val listenerName = ListenerName.normalised(name)
        if (!effectiveListenerSecurityProtocolMap.contains(listenerName)) {
          throw new ConfigException(s"Controller listener with name ${listenerName.value} defined in " +
            s"${KafkaConfig.ControllerListenerNamesProp} not found in ${KafkaConfig.ListenerSecurityProtocolMapProp}  (an explicit security mapping for each controller listener is required if ${KafkaConfig.ListenerSecurityProtocolMapProp} is non-empty, or if there are security protocols other than PLAINTEXT in use)")
        }
      }
      // warn that only the first controller listener is used if there is more than one
      if (controllerListenerNames.size > 1) {
        warn(s"${KafkaConfig.ControllerListenerNamesProp} has multiple entries; only the first will be used since ${KafkaConfig.ProcessRolesProp}=broker: ${controllerListenerNames.asJava}")
      }
      validateAdvertisedListenersNonEmptyForBroker()
    } else if (processRoles == Set(ProcessRole.ControllerRole)) {
      // KRaft controller-only
      validateNonEmptyQuorumVotersForKRaft()
      validateControlPlaneListenerEmptyForKRaft()
      // advertised listeners must be empty when only the controller is configured
      require(
        getString(KafkaConfig.AdvertisedListenersProp) == null,
        s"The ${KafkaConfig.AdvertisedListenersProp} config must be empty when ${KafkaConfig.ProcessRolesProp}=controller"
      )
      // listeners should only contain listeners also enumerated in the controller listener
      require(
        effectiveAdvertisedListeners.isEmpty,
        s"The ${KafkaConfig.ListenersProp} config must only contain KRaft controller listeners from ${KafkaConfig.ControllerListenerNamesProp} when ${KafkaConfig.ProcessRolesProp}=controller"
      )
      validateControllerQuorumVotersMustContainNodeIdForKRaftController()
      validateControllerListenerExistsForKRaftController()
      validateControllerListenerNamesMustAppearInListenersForKRaftController()
    } else if (isKRaftCombinedMode) {
      // KRaft combined broker and controller
      validateNonEmptyQuorumVotersForKRaft()
      validateControlPlaneListenerEmptyForKRaft()
      validateAdvertisedListenersDoesNotContainControllerListenersForKRaftBroker()
      validateControllerQuorumVotersMustContainNodeIdForKRaftController()
      validateControllerListenerExistsForKRaftController()
      validateControllerListenerNamesMustAppearInListenersForKRaftController()
      validateAdvertisedListenersNonEmptyForBroker()
    } else {
      // ZK-based
      if (migrationEnabled) {
        validateNonEmptyQuorumVotersForMigration()
        require(controllerListenerNames.nonEmpty,
          s"${KafkaConfig.ControllerListenerNamesProp} must not be empty when running in ZooKeeper migration mode: ${controllerListenerNames.asJava}")
        require(interBrokerProtocolVersion.isMigrationSupported, s"Cannot enable ZooKeeper migration without setting " +
          s"'${ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_CONFIG}' to 3.4 or higher")
        if (logDirs.size > 1) {
          require(interBrokerProtocolVersion.isDirectoryAssignmentSupported,
            s"Cannot enable ZooKeeper migration with multiple log directories (aka JBOD) without setting " +
            s"'${ReplicationConfigs.INTER_BROKER_PROTOCOL_VERSION_CONFIG}' to ${MetadataVersion.IBP_3_7_IV2} or higher")
        }
      } else {
        // controller listener names must be empty when not in KRaft mode
        require(controllerListenerNames.isEmpty,
          s"${KafkaConfig.ControllerListenerNamesProp} must be empty when not running in KRaft mode: ${controllerListenerNames.asJava}")
      }
      validateAdvertisedListenersNonEmptyForBroker()
    }

    val listenerNames = listeners.map(_.listenerName).toSet
    if (processRoles.isEmpty || processRoles.contains(ProcessRole.BrokerRole)) {
      // validations for all broker setups (i.e. ZooKeeper and KRaft broker-only and KRaft co-located)
      validateAdvertisedListenersNonEmptyForBroker()
      require(advertisedListenerNames.contains(interBrokerListenerName),
        s"${ReplicationConfigs.INTER_BROKER_LISTENER_NAME_CONFIG} must be a listener name defined in ${KafkaConfig.AdvertisedListenersProp}. " +
          s"The valid options based on currently configured listeners are ${advertisedListenerNames.map(_.value).mkString(",")}")
      require(advertisedListenerNames.subsetOf(listenerNames),
        s"${KafkaConfig.AdvertisedListenersProp} listener names must be equal to or a subset of the ones defined in ${KafkaConfig.ListenersProp}. " +
          s"Found ${advertisedListenerNames.map(_.value).mkString(",")}. The valid options based on the current configuration " +
          s"are ${listenerNames.map(_.value).mkString(",")}"
      )
    }

    require(!effectiveAdvertisedListeners.exists(endpoint => endpoint.host=="0.0.0.0"),
      s"${KafkaConfig.AdvertisedListenersProp} cannot use the nonroutable meta-address 0.0.0.0. "+
      s"Use a routable IP address.")

    // validate control.plane.listener.name config
    if (controlPlaneListenerName.isDefined) {
      require(advertisedListenerNames.contains(controlPlaneListenerName.get),
        s"${KafkaConfig.ControlPlaneListenerNameProp} must be a listener name defined in ${KafkaConfig.AdvertisedListenersProp}. " +
        s"The valid options based on currently configured listeners are ${advertisedListenerNames.map(_.value).mkString(",")}")
      // controlPlaneListenerName should be different from interBrokerListenerName
      require(!controlPlaneListenerName.get.value().equals(interBrokerListenerName.value()),
        s"${KafkaConfig.ControlPlaneListenerNameProp}, when defined, should have a different value from the inter broker listener name. " +
        s"Currently they both have the value ${controlPlaneListenerName.get}")
    }

    val messageFormatVersion = new MessageFormatVersion(logMessageFormatVersionString, interBrokerProtocolVersionString)
    if (messageFormatVersion.shouldWarn)
      warn(createBrokerWarningMessage)

    val recordVersion = logMessageFormatVersion.highestSupportedRecordVersion
    require(interBrokerProtocolVersion.highestSupportedRecordVersion().value >= recordVersion.value,
      s"log.message.format.version $logMessageFormatVersionString can only be used when inter.broker.protocol.version " +
      s"is set to version ${MetadataVersion.minSupportedFor(recordVersion).shortVersion} or higher")

    if (offsetsTopicCompressionType == CompressionType.ZSTD)
      require(interBrokerProtocolVersion.highestSupportedRecordVersion().value >= IBP_2_1_IV0.highestSupportedRecordVersion().value,
        "offsets.topic.compression.codec zstd can only be used when inter.broker.protocol.version " +
        s"is set to version ${IBP_2_1_IV0.shortVersion} or higher")

    val interBrokerUsesSasl = interBrokerSecurityProtocol == SecurityProtocol.SASL_PLAINTEXT || interBrokerSecurityProtocol == SecurityProtocol.SASL_SSL
    require(!interBrokerUsesSasl || saslInterBrokerHandshakeRequestEnable || saslMechanismInterBrokerProtocol == SaslConfigs.GSSAPI_MECHANISM,
      s"Only GSSAPI mechanism is supported for inter-broker communication with SASL when inter.broker.protocol.version is set to $interBrokerProtocolVersionString")
    require(!interBrokerUsesSasl || saslEnabledMechanisms(interBrokerListenerName).contains(saslMechanismInterBrokerProtocol),
      s"${KafkaSecurityConfigs.SASL_MECHANISM_INTER_BROKER_PROTOCOL_CONFIG} must be included in ${KafkaSecurityConfigs.SASL_ENABLED_MECHANISMS_CONFIG} when SASL is used for inter-broker communication")
    require(queuedMaxBytes <= 0 || queuedMaxBytes >= socketRequestMaxBytes,
      s"${KafkaConfig.QueuedMaxBytesProp} must be larger or equal to ${KafkaConfig.SocketRequestMaxBytesProp}")

    if (maxConnectionsPerIp == 0)
      require(maxConnectionsPerIpOverrides.nonEmpty, s"${KafkaConfig.MaxConnectionsPerIpProp} can be set to zero only if" +
        s" ${KafkaConfig.MaxConnectionsPerIpOverridesProp} property is set.")

    val invalidAddresses = maxConnectionsPerIpOverrides.keys.filterNot(address => Utils.validHostPattern(address))
    if (invalidAddresses.nonEmpty)
      throw new IllegalArgumentException(s"${KafkaConfig.MaxConnectionsPerIpOverridesProp} contains invalid addresses : ${invalidAddresses.mkString(",")}")

    if (connectionsMaxIdleMs >= 0)
      require(failedAuthenticationDelayMs < connectionsMaxIdleMs,
        s"${KafkaConfig.FailedAuthenticationDelayMsProp}=$failedAuthenticationDelayMs should always be less than" +
        s" ${KafkaConfig.ConnectionsMaxIdleMsProp}=$connectionsMaxIdleMs to prevent failed" +
        s" authentication responses from timing out")

    val principalBuilderClass = getClass(KafkaSecurityConfigs.PRINCIPAL_BUILDER_CLASS_CONFIG)
    require(principalBuilderClass != null, s"${KafkaSecurityConfigs.PRINCIPAL_BUILDER_CLASS_CONFIG} must be non-null")
    require(classOf[KafkaPrincipalSerde].isAssignableFrom(principalBuilderClass),
      s"${KafkaSecurityConfigs.PRINCIPAL_BUILDER_CLASS_CONFIG} must implement KafkaPrincipalSerde")

    // New group coordinator configs validation.
    require(consumerGroupMaxHeartbeatIntervalMs >= consumerGroupMinHeartbeatIntervalMs,
      s"${GroupCoordinatorConfig.CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS_CONFIG} must be greater than or equals " +
      s"to ${GroupCoordinatorConfig.CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS_CONFIG}")
    require(consumerGroupHeartbeatIntervalMs >= consumerGroupMinHeartbeatIntervalMs,
      s"${GroupCoordinatorConfig.CONSUMER_GROUP_HEARTBEAT_INTERVAL_MS_CONFIG} must be greater than or equals " +
      s"to ${GroupCoordinatorConfig.CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS_CONFIG}")
    require(consumerGroupHeartbeatIntervalMs <= consumerGroupMaxHeartbeatIntervalMs,
      s"${GroupCoordinatorConfig.CONSUMER_GROUP_HEARTBEAT_INTERVAL_MS_CONFIG} must be less than or equals " +
      s"to ${GroupCoordinatorConfig.CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS_CONFIG}")

    require(consumerGroupMaxSessionTimeoutMs >= consumerGroupMinSessionTimeoutMs,
      s"${GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS_CONFIG} must be greater than or equals " +
      s"to ${GroupCoordinatorConfig.CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS_CONFIG}")
    require(consumerGroupSessionTimeoutMs >= consumerGroupMinSessionTimeoutMs,
      s"${GroupCoordinatorConfig.CONSUMER_GROUP_SESSION_TIMEOUT_MS_CONFIG} must be greater than or equals " +
      s"to ${GroupCoordinatorConfig.CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS_CONFIG}")
    require(consumerGroupSessionTimeoutMs <= consumerGroupMaxSessionTimeoutMs,
      s"${GroupCoordinatorConfig.CONSUMER_GROUP_SESSION_TIMEOUT_MS_CONFIG} must be less than or equals " +
      s"to ${GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS_CONFIG}")
  }

  /**
   * Copy the subset of properties that are relevant to Logs. The individual properties
   * are listed here since the names are slightly different in each Config class...
   */
  @nowarn("cat=deprecation")
  def extractLogConfigMap: java.util.Map[String, Object] = {
    val logProps = new java.util.HashMap[String, Object]()
    logProps.put(TopicConfig.SEGMENT_BYTES_CONFIG, logSegmentBytes)
    logProps.put(TopicConfig.SEGMENT_MS_CONFIG, logRollTimeMillis)
    logProps.put(TopicConfig.SEGMENT_JITTER_MS_CONFIG, logRollTimeJitterMillis)
    logProps.put(TopicConfig.SEGMENT_INDEX_BYTES_CONFIG, logIndexSizeMaxBytes)
    logProps.put(TopicConfig.FLUSH_MESSAGES_INTERVAL_CONFIG, logFlushIntervalMessages)
    logProps.put(TopicConfig.FLUSH_MS_CONFIG, logFlushIntervalMs)
    logProps.put(TopicConfig.RETENTION_BYTES_CONFIG, logRetentionBytes)
    logProps.put(TopicConfig.RETENTION_MS_CONFIG, logRetentionTimeMillis: java.lang.Long)
    logProps.put(TopicConfig.MAX_MESSAGE_BYTES_CONFIG, messageMaxBytes)
    logProps.put(TopicConfig.INDEX_INTERVAL_BYTES_CONFIG, logIndexIntervalBytes)
    logProps.put(TopicConfig.DELETE_RETENTION_MS_CONFIG, logCleanerDeleteRetentionMs)
    logProps.put(TopicConfig.MIN_COMPACTION_LAG_MS_CONFIG, logCleanerMinCompactionLagMs)
    logProps.put(TopicConfig.MAX_COMPACTION_LAG_MS_CONFIG, logCleanerMaxCompactionLagMs)
    logProps.put(TopicConfig.FILE_DELETE_DELAY_MS_CONFIG, logDeleteDelayMs)
    logProps.put(TopicConfig.MIN_CLEANABLE_DIRTY_RATIO_CONFIG, logCleanerMinCleanRatio)
    logProps.put(TopicConfig.CLEANUP_POLICY_CONFIG, logCleanupPolicy)
    logProps.put(TopicConfig.MIN_IN_SYNC_REPLICAS_CONFIG, minInSyncReplicas)
    logProps.put(TopicConfig.COMPRESSION_TYPE_CONFIG, compressionType)
    logProps.put(TopicConfig.UNCLEAN_LEADER_ELECTION_ENABLE_CONFIG, uncleanLeaderElectionEnable)
    logProps.put(TopicConfig.PREALLOCATE_CONFIG, logPreAllocateEnable)
    logProps.put(TopicConfig.MESSAGE_FORMAT_VERSION_CONFIG, logMessageFormatVersion.version)
    logProps.put(TopicConfig.MESSAGE_TIMESTAMP_TYPE_CONFIG, logMessageTimestampType.name)
    logProps.put(TopicConfig.MESSAGE_TIMESTAMP_DIFFERENCE_MAX_MS_CONFIG, logMessageTimestampDifferenceMaxMs: java.lang.Long)
    logProps.put(TopicConfig.MESSAGE_TIMESTAMP_BEFORE_MAX_MS_CONFIG, logMessageTimestampBeforeMaxMs: java.lang.Long)
    logProps.put(TopicConfig.MESSAGE_TIMESTAMP_AFTER_MAX_MS_CONFIG, logMessageTimestampAfterMaxMs: java.lang.Long)
    logProps.put(TopicConfig.MESSAGE_DOWNCONVERSION_ENABLE_CONFIG, logMessageDownConversionEnable: java.lang.Boolean)
    logProps.put(TopicConfig.LOCAL_LOG_RETENTION_MS_CONFIG, logLocalRetentionMs)
    logProps.put(TopicConfig.LOCAL_LOG_RETENTION_BYTES_CONFIG, logLocalRetentionBytes)
    logProps
  }

  @nowarn("cat=deprecation")
  private def createBrokerWarningMessage: String = {
    s"Broker configuration ${ServerLogConfigs.LOG_MESSAGE_FORMAT_VERSION_CONFIG} with value $logMessageFormatVersionString is ignored " +
      s"because the inter-broker protocol version `$interBrokerProtocolVersionString` is greater or equal than 3.0. " +
      "This configuration is deprecated and it will be removed in Apache Kafka 4.0."
  }
}