diff --git a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/BackupName.java b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/BackupName.java
index e382d24959..6733a90275 100644
--- a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/BackupName.java
+++ b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/BackupName.java
@@ -211,9 +211,9 @@ public Builder setBackup(String backup) {
     }
 
     private Builder(BackupName backupName) {
-      project = backupName.project;
-      instance = backupName.instance;
-      backup = backupName.backup;
+      this.project = backupName.project;
+      this.instance = backupName.instance;
+      this.backup = backupName.backup;
     }
 
     public BackupName build() {
diff --git a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyName.java b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyName.java
index 5a18151e38..7bc4b6ba8a 100644
--- a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyName.java
+++ b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyName.java
@@ -248,10 +248,10 @@ public Builder setCryptoKey(String cryptoKey) {
     }
 
     private Builder(CryptoKeyName cryptoKeyName) {
-      project = cryptoKeyName.project;
-      location = cryptoKeyName.location;
-      keyRing = cryptoKeyName.keyRing;
-      cryptoKey = cryptoKeyName.cryptoKey;
+      this.project = cryptoKeyName.project;
+      this.location = cryptoKeyName.location;
+      this.keyRing = cryptoKeyName.keyRing;
+      this.cryptoKey = cryptoKeyName.cryptoKey;
     }
 
     public CryptoKeyName build() {
diff --git a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyVersionName.java b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyVersionName.java
index 6c15845ee1..f1f20754f6 100644
--- a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyVersionName.java
+++ b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/CryptoKeyVersionName.java
@@ -284,11 +284,11 @@ public Builder setCryptoKeyVersion(String cryptoKeyVersion) {
     }
 
     private Builder(CryptoKeyVersionName cryptoKeyVersionName) {
-      project = cryptoKeyVersionName.project;
-      location = cryptoKeyVersionName.location;
-      keyRing = cryptoKeyVersionName.keyRing;
-      cryptoKey = cryptoKeyVersionName.cryptoKey;
-      cryptoKeyVersion = cryptoKeyVersionName.cryptoKeyVersion;
+      this.project = cryptoKeyVersionName.project;
+      this.location = cryptoKeyVersionName.location;
+      this.keyRing = cryptoKeyVersionName.keyRing;
+      this.cryptoKey = cryptoKeyVersionName.cryptoKey;
+      this.cryptoKeyVersion = cryptoKeyVersionName.cryptoKeyVersion;
     }
 
     public CryptoKeyVersionName build() {
diff --git a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/DatabaseName.java b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/DatabaseName.java
index cefd7427d4..ca0fd6abf6 100644
--- a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/DatabaseName.java
+++ b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/DatabaseName.java
@@ -211,9 +211,9 @@ public Builder setDatabase(String database) {
     }
 
     private Builder(DatabaseName databaseName) {
-      project = databaseName.project;
-      instance = databaseName.instance;
-      database = databaseName.database;
+      this.project = databaseName.project;
+      this.instance = databaseName.instance;
+      this.database = databaseName.database;
     }
 
     public DatabaseName build() {
diff --git a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/InstanceName.java b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/InstanceName.java
index 1cbf45abef..07ca96c5cf 100644
--- a/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/InstanceName.java
+++ b/proto-google-cloud-spanner-admin-database-v1/src/main/java/com/google/spanner/admin/database/v1/InstanceName.java
@@ -181,8 +181,8 @@ public Builder setInstance(String instance) {
     }
 
     private Builder(InstanceName instanceName) {
-      project = instanceName.project;
-      instance = instanceName.instance;
+      this.project = instanceName.project;
+      this.instance = instanceName.instance;
     }
 
     public InstanceName build() {
diff --git a/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigName.java b/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigName.java
index 50dd499dd4..6cb41a82ee 100644
--- a/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigName.java
+++ b/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigName.java
@@ -182,8 +182,8 @@ public Builder setInstanceConfig(String instanceConfig) {
     }
 
     private Builder(InstanceConfigName instanceConfigName) {
-      project = instanceConfigName.project;
-      instanceConfig = instanceConfigName.instanceConfig;
+      this.project = instanceConfigName.project;
+      this.instanceConfig = instanceConfigName.instanceConfig;
     }
 
     public InstanceConfigName build() {
diff --git a/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceName.java b/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceName.java
index e0263410a9..0e512305c9 100644
--- a/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceName.java
+++ b/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceName.java
@@ -181,8 +181,8 @@ public Builder setInstance(String instance) {
     }
 
     private Builder(InstanceName instanceName) {
-      project = instanceName.project;
-      instance = instanceName.instance;
+      this.project = instanceName.project;
+      this.instance = instanceName.instance;
     }
 
     public InstanceName build() {
diff --git a/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/ProjectName.java b/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/ProjectName.java
index 092f061ae2..50c5b7c8fd 100644
--- a/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/ProjectName.java
+++ b/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/ProjectName.java
@@ -158,7 +158,7 @@ public Builder setProject(String project) {
     }
 
     private Builder(ProjectName projectName) {
-      project = projectName.project;
+      this.project = projectName.project;
     }
 
     public ProjectName build() {
diff --git a/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/DatabaseName.java b/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/DatabaseName.java
index 234fb2001c..1c81611049 100644
--- a/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/DatabaseName.java
+++ b/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/DatabaseName.java
@@ -211,9 +211,9 @@ public Builder setDatabase(String database) {
     }
 
     private Builder(DatabaseName databaseName) {
-      project = databaseName.project;
-      instance = databaseName.instance;
-      database = databaseName.database;
+      this.project = databaseName.project;
+      this.instance = databaseName.instance;
+      this.database = databaseName.database;
     }
 
     public DatabaseName build() {
diff --git a/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/SessionName.java b/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/SessionName.java
index 1f47796f0f..839d4d6556 100644
--- a/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/SessionName.java
+++ b/proto-google-cloud-spanner-v1/src/main/java/com/google/spanner/v1/SessionName.java
@@ -246,10 +246,10 @@ public Builder setSession(String session) {
     }
 
     private Builder(SessionName sessionName) {
-      project = sessionName.project;
-      instance = sessionName.instance;
-      database = sessionName.database;
-      session = sessionName.session;
+      this.project = sessionName.project;
+      this.instance = sessionName.instance;
+      this.database = sessionName.database;
+      this.session = sessionName.session;
     }
 
     public SessionName build() {
diff --git a/synth.metadata b/synth.metadata
index 08bed59ee3..f5a83cb7ae 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-spanner.git",
-        "sha": "7d7f390604829c497f41c12fd51a44e0c2d23ea8"
+        "sha": "1e1df84e74011fb2b665e94b428cfa78102de7fe"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "d8698715e4f5b7c45505dadd679255987c260180",
-        "internalRef": "378758342"
+        "sha": "551681f25e36b11829e87e580281350461f4f3f5",
+        "internalRef": "379784268"
       }
     },
     {