diff --git a/src/main/java/io/tarantool/driver/api/space/options/BaseOptions.java b/src/main/java/io/tarantool/driver/api/space/options/BaseOptions.java
index ccec767d..84073a24 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/BaseOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/BaseOptions.java
@@ -1,7 +1,8 @@
 package io.tarantool.driver.api.space.options;
 
-import java.util.HashMap;
-import java.util.Map;
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
+
+import java.util.EnumMap;
 import java.util.Optional;
 
 /**
@@ -12,7 +13,7 @@
  */
 public abstract class BaseOptions implements Options {
 
-    private final Map<String, Object> resultMap = new HashMap<>();
+    private final EnumMap<ProxyOption, Object> resultMap = new EnumMap<>(ProxyOption.class);
 
     /**
      * Add an option value.
@@ -20,7 +21,7 @@ public abstract class BaseOptions implements Options {
      * @param option option name
      * @param value  option value
      */
-    public void addOption(String option, Object value) {
+    public void addOption(ProxyOption option, Object value) {
         resultMap.put(option, value);
     }
 
@@ -31,7 +32,7 @@ public void addOption(String option, Object value) {
      * @param optionClass option value type
      */
     @SuppressWarnings("unchecked")
-    public <T> Optional<T> getOption(String option, Class<T> optionClass) {
+    public <T> Optional<T> getOption(ProxyOption option, Class<T> optionClass) {
         return Optional.ofNullable((T) resultMap.get(option));
     }
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/OperationWithBucketIdOptions.java b/src/main/java/io/tarantool/driver/api/space/options/OperationWithBucketIdOptions.java
index 0d268ea8..41091980 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/OperationWithBucketIdOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/OperationWithBucketIdOptions.java
@@ -1,5 +1,7 @@
 package io.tarantool.driver.api.space.options;
 
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
+
 import java.util.Optional;
 
 /**
@@ -10,8 +12,6 @@
 public interface OperationWithBucketIdOptions<T extends OperationWithBucketIdOptions<T>>
     extends Options, Self<T> {
 
-    String BUCKET_ID = "bucket_id";
-
     /**
      * Specifies bucket id for an operation to perform it on storage with this bucket. It may be useful
      * if a non-default sharding function is used or in other specific cases.
@@ -26,7 +26,7 @@ public interface OperationWithBucketIdOptions<T extends OperationWithBucketIdOpt
      * @see <a href="https://github.com/tarantool/crud">crud</a>
      */
     default T withBucketId(Integer bucketId) {
-        addOption(BUCKET_ID, bucketId);
+        addOption(ProxyOption.BUCKET_ID, bucketId);
         return self();
     }
 
@@ -36,6 +36,6 @@ default T withBucketId(Integer bucketId) {
      * @return bucket id
      */
     default Optional<Integer> getBucketId() {
-        return getOption(BUCKET_ID, Integer.class);
+        return getOption(ProxyOption.BUCKET_ID, Integer.class);
     }
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/OperationWithFieldsOptions.java b/src/main/java/io/tarantool/driver/api/space/options/OperationWithFieldsOptions.java
index 4778e8b7..4f4dcc8b 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/OperationWithFieldsOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/OperationWithFieldsOptions.java
@@ -1,5 +1,7 @@
 package io.tarantool.driver.api.space.options;
 
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
+
 import java.util.List;
 import java.util.Optional;
 
@@ -11,8 +13,6 @@
 public interface OperationWithFieldsOptions<T extends OperationWithFieldsOptions<T>>
     extends Options, Self<T> {
 
-    String FIELDS = "fields";
-
     /**
      * Specifies list of fields names for getting only a subset of fields.
      * By default, all fields are returned.
@@ -21,7 +21,7 @@ public interface OperationWithFieldsOptions<T extends OperationWithFieldsOptions
      * @return this options instance
      */
     default T withFields(List<String> fields) {
-        addOption(FIELDS, fields);
+        addOption(ProxyOption.FIELDS, fields);
         return self();
     }
 
@@ -31,6 +31,6 @@ default T withFields(List<String> fields) {
      * @return list of fields string names
      */
     default Optional<List> getFields() {
-        return getOption(FIELDS, List.class);
+        return getOption(ProxyOption.FIELDS, List.class);
     }
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/OperationWithModeOptions.java b/src/main/java/io/tarantool/driver/api/space/options/OperationWithModeOptions.java
index ecd79a0a..163c8564 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/OperationWithModeOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/OperationWithModeOptions.java
@@ -1,6 +1,7 @@
 package io.tarantool.driver.api.space.options;
 
 import io.tarantool.driver.api.space.options.enums.crud.Mode;
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
 
 import java.util.Optional;
 
@@ -19,7 +20,7 @@ public interface OperationWithModeOptions<T extends OperationWithModeOptions<T>>
      * @return this options instance.
      */
     default T withMode(Mode mode) {
-        addOption(Mode.NAME, mode.value());
+        addOption(ProxyOption.MODE, mode.value());
         return self();
     }
 
@@ -29,7 +30,7 @@ default T withMode(Mode mode) {
      * @return mode.
      */
     default Optional<Mode> getMode() {
-        return getOption(Mode.NAME, Mode.class);
+        return getOption(ProxyOption.MODE, Mode.class);
     }
 
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/OperationWithRollbackOnErrorOptions.java b/src/main/java/io/tarantool/driver/api/space/options/OperationWithRollbackOnErrorOptions.java
index 76c279f9..dd2379f3 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/OperationWithRollbackOnErrorOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/OperationWithRollbackOnErrorOptions.java
@@ -1,6 +1,7 @@
 package io.tarantool.driver.api.space.options;
 
 
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
 import io.tarantool.driver.api.space.options.enums.crud.RollbackOnError;
 
 import java.util.Optional;
@@ -12,6 +13,7 @@
  */
 public interface OperationWithRollbackOnErrorOptions<T extends OperationWithRollbackOnErrorOptions<T>>
     extends Options, Self<T> {
+
     /**
      * Specifies whether to not save any changes in the space if any tuple replace operation
      * is unsuccesful. Default value is <code>true</code>.
@@ -20,7 +22,7 @@ public interface OperationWithRollbackOnErrorOptions<T extends OperationWithRoll
      * @return this options instance
      */
     default T withRollbackOnError(RollbackOnError rollbackOnError) {
-        addOption(RollbackOnError.NAME, rollbackOnError.value());
+        addOption(ProxyOption.ROLLBACK_ON_ERROR, rollbackOnError.value());
         return self();
     }
 
@@ -31,6 +33,6 @@ default T withRollbackOnError(RollbackOnError rollbackOnError) {
      * @return true, if the operation should rollback on error
      */
     default Optional<Boolean> getRollbackOnError() {
-        return getOption(RollbackOnError.NAME, Boolean.class);
+        return getOption(ProxyOption.ROLLBACK_ON_ERROR, Boolean.class);
     }
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/OperationWithStopOnErrorOptions.java b/src/main/java/io/tarantool/driver/api/space/options/OperationWithStopOnErrorOptions.java
index 1b5e2cd2..806c5fdd 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/OperationWithStopOnErrorOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/OperationWithStopOnErrorOptions.java
@@ -1,5 +1,6 @@
 package io.tarantool.driver.api.space.options;
 
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
 import io.tarantool.driver.api.space.options.enums.crud.StopOnError;
 
 import java.util.Optional;
@@ -20,7 +21,7 @@ public interface OperationWithStopOnErrorOptions<T extends OperationWithStopOnEr
      * @return this options instance
      */
     default T withStopOnError(StopOnError stopOnError) {
-        addOption(StopOnError.NAME, stopOnError.value());
+        addOption(ProxyOption.STOP_ON_ERROR, stopOnError.value());
         return self();
     }
 
@@ -31,6 +32,6 @@ default T withStopOnError(StopOnError stopOnError) {
      * @return true, if the operation should stop on error
      */
     default Optional<Boolean> getStopOnError() {
-        return getOption(StopOnError.NAME, Boolean.class);
+        return getOption(ProxyOption.STOP_ON_ERROR, Boolean.class);
     }
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/OperationWithTimeoutOptions.java b/src/main/java/io/tarantool/driver/api/space/options/OperationWithTimeoutOptions.java
index a4090ba6..93ba16bf 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/OperationWithTimeoutOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/OperationWithTimeoutOptions.java
@@ -1,5 +1,7 @@
 package io.tarantool.driver.api.space.options;
 
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
+
 import java.util.Optional;
 
 /**
@@ -9,8 +11,6 @@
  */
 public interface OperationWithTimeoutOptions<T extends OperationWithTimeoutOptions<T>> extends Options, Self<T> {
 
-    String TIMEOUT = "timeout";
-
     /**
      * Specifies timeout for waiting for a server response for the operation.
      * Configured request timeout for that client will be used by default.
@@ -22,7 +22,7 @@ default T withTimeout(int timeout) {
         if (timeout <= 0) {
             throw new IllegalArgumentException("Timeout should be greater than 0");
         }
-        addOption(TIMEOUT, timeout);
+        addOption(ProxyOption.TIMEOUT, timeout);
         return self();
     }
 
@@ -32,6 +32,6 @@ default T withTimeout(int timeout) {
      * @return timeout, in milliseconds.
      */
     default Optional<Integer> getTimeout() {
-        return getOption(TIMEOUT, Integer.class);
+        return getOption(ProxyOption.TIMEOUT, Integer.class);
     }
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/Options.java b/src/main/java/io/tarantool/driver/api/space/options/Options.java
index e06a3ec4..17f05720 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/Options.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/Options.java
@@ -1,5 +1,7 @@
 package io.tarantool.driver.api.space.options;
 
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
+
 import java.util.Optional;
 
 /**
@@ -16,7 +18,7 @@ public interface Options {
      * @param option name of option
      * @param value  value of option
      */
-    void addOption(String option, Object value);
+    void addOption(ProxyOption option, Object value);
 
     /**
      * Return option value by name.
@@ -26,5 +28,5 @@ public interface Options {
      * @param <T>         option value type
      * @return option value
      */
-    <T> Optional<T> getOption(String option, Class<T> optionClass);
+    <T> Optional<T> getOption(ProxyOption option, Class<T> optionClass);
 }
diff --git a/src/main/java/io/tarantool/driver/api/space/options/enums/crud/Mode.java b/src/main/java/io/tarantool/driver/api/space/options/enums/crud/Mode.java
index 6f4bb036..0b270279 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/enums/crud/Mode.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/enums/crud/Mode.java
@@ -10,7 +10,6 @@ public enum Mode {
     WRITE("write"),
     READ("read");
 
-    public static final String NAME = "mode";
     private final String value;
 
     Mode(String value) {
diff --git a/src/main/java/io/tarantool/driver/api/space/options/enums/crud/RollbackOnError.java b/src/main/java/io/tarantool/driver/api/space/options/enums/crud/RollbackOnError.java
index 2dec6b38..2c9c4d4d 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/enums/crud/RollbackOnError.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/enums/crud/RollbackOnError.java
@@ -12,7 +12,6 @@ public enum RollbackOnError {
 
     FALSE(false);
 
-    public static final String NAME = "rollback_on_error";
     private final boolean value;
 
     RollbackOnError(boolean value) {
diff --git a/src/main/java/io/tarantool/driver/api/space/options/enums/crud/StopOnError.java b/src/main/java/io/tarantool/driver/api/space/options/enums/crud/StopOnError.java
index 03492c91..e546115c 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/enums/crud/StopOnError.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/enums/crud/StopOnError.java
@@ -12,7 +12,6 @@ public enum StopOnError {
 
     FALSE(false);
 
-    public static final String NAME = "stop_on_error";
     private final boolean value;
 
     StopOnError(boolean value) {
diff --git a/src/main/java/io/tarantool/driver/api/space/options/proxy/ProxySelectOptions.java b/src/main/java/io/tarantool/driver/api/space/options/proxy/ProxySelectOptions.java
index 179f85b2..575aa826 100644
--- a/src/main/java/io/tarantool/driver/api/space/options/proxy/ProxySelectOptions.java
+++ b/src/main/java/io/tarantool/driver/api/space/options/proxy/ProxySelectOptions.java
@@ -2,6 +2,7 @@
 
 import io.tarantool.driver.api.space.options.BaseOptions;
 import io.tarantool.driver.api.space.options.SelectOptions;
+import io.tarantool.driver.api.space.options.enums.crud.ProxyOption;
 
 import java.util.Optional;
 
@@ -13,8 +14,6 @@
  */
 public final class ProxySelectOptions extends BaseOptions implements SelectOptions<ProxySelectOptions> {
 
-    public static final String BATCH_SIZE = "batch_size";
-
     private ProxySelectOptions() {
     }
 
@@ -37,7 +36,7 @@ public ProxySelectOptions withBatchSize(int batchSize) {
         if (batchSize <= 0) {
             throw new IllegalArgumentException("Batch size should be greater than 0");
         }
-        addOption(BATCH_SIZE, batchSize);
+        addOption(ProxyOption.BATCH_SIZE, batchSize);
         return self();
     }
 
@@ -48,6 +47,6 @@ public ProxySelectOptions self() {
 
     @Override
     public Optional<Integer> getBatchSize() {
-        return getOption(BATCH_SIZE, Integer.class);
+        return getOption(ProxyOption.BATCH_SIZE, Integer.class);
     }
 }