diff --git a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/package-info.java b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/package-info.java
index f27bea2b3877..f9f357436572 100644
--- a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/package-info.java
+++ b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/package-info.java
@@ -2,6 +2,6 @@
 // Licensed under the MIT License.
 
 /**
- * Package containing the types for Azure ARM client side http communication with a REST endpoint.
+ * Package containing the implementation classes for Azure ARM client side http communication with a REST endpoint.
  */
 package com.azure.core.management.implementation;
diff --git a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/polling/package-info.java b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/polling/package-info.java
index 0820ebc9fc00..3379446b9bd4 100644
--- a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/polling/package-info.java
+++ b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/polling/package-info.java
@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 /**
- * Package containing the types for Azure ARM client side http communication with a REST endpoint.
+ * Package containing the implementation classes that handling long-running operation
+ * for Azure ARM client side http communication with a REST endpoint.
  */
 package com.azure.core.management.implementation.polling;
diff --git a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/ManagementErrorDeserializer.java b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/serializer/ManagementErrorDeserializer.java
similarity index 94%
rename from sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/ManagementErrorDeserializer.java
rename to sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/serializer/ManagementErrorDeserializer.java
index b1aa62eb2af2..862797dbbd41 100644
--- a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/ManagementErrorDeserializer.java
+++ b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/serializer/ManagementErrorDeserializer.java
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-package com.azure.core.management.serializer;
+package com.azure.core.management.implementation.serializer;
 
 import com.azure.core.management.exception.ManagementError;
 import com.fasterxml.jackson.core.JsonFactory;
@@ -21,7 +21,7 @@
 /**
  * Custom serializer for serializing {@link ManagementError} objects.
  */
-final class ManagementErrorDeserializer extends StdDeserializer<Object> {
+public final class ManagementErrorDeserializer extends StdDeserializer<Object> {
 
     private static final long serialVersionUID = 1L;
 
@@ -45,7 +45,7 @@ private ManagementErrorDeserializer(Class<?> vc, ObjectMapper mapper) {
      * @param mapper the object mapper for default deserializations.
      * @return a simple module to be plugged onto Jackson ObjectMapper.
      */
-    static SimpleModule getModule(ObjectMapper mapper) {
+    public static SimpleModule getModule(ObjectMapper mapper) {
         SimpleModule module = new SimpleModule();
         module.setDeserializerModifier(new BeanDeserializerModifier() {
             @Override
diff --git a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/serializer/package-info.java b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/serializer/package-info.java
new file mode 100644
index 000000000000..8fa1c969027d
--- /dev/null
+++ b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/implementation/serializer/package-info.java
@@ -0,0 +1,8 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+/**
+ * Package containing the implementation classes that handle serialization and deserialization
+ * for the REST call payloads in Azure ARM.
+ */
+package com.azure.core.management.implementation.serializer;
diff --git a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/polling/package-info.java b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/polling/package-info.java
index 7dcd379009e5..aae943987b65 100644
--- a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/polling/package-info.java
+++ b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/polling/package-info.java
@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 /**
- * Package containing the types for Azure ARM client side http communication with a REST endpoint.
+ * Package containing the classes that handling long-running operation
+ * for Azure ARM client side http communication with a REST endpoint.
  */
 package com.azure.core.management.polling;
diff --git a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/AzureJacksonAdapter.java b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/AzureJacksonAdapter.java
index 095bf123e98d..b887e5a9a517 100644
--- a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/AzureJacksonAdapter.java
+++ b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/AzureJacksonAdapter.java
@@ -3,6 +3,7 @@
 
 package com.azure.core.management.serializer;
 
+import com.azure.core.management.implementation.serializer.ManagementErrorDeserializer;
 import com.azure.core.util.serializer.JacksonAdapter;
 
 /**
diff --git a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/package-info.java b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/package-info.java
index b955eec7235d..7c87cc27470a 100644
--- a/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/package-info.java
+++ b/sdk/core/azure-core-management/src/main/java/com/azure/core/management/serializer/package-info.java
@@ -2,6 +2,6 @@
 // Licensed under the MIT License.
 
 /**
- * Package containing classes that handle serialization and deserialization for the REST call payloads in Azure ARM.
+ * Package containing the classes that handle serialization and deserialization for the REST call payloads in Azure ARM.
  */
 package com.azure.core.management.serializer;