code: @Override
      public RefreshSchemasResult refreshSchemas(RefreshSchemasRequest request) {
          request = beforeClientExecution(request);
          return executeRefreshSchemas(request);
      }
docs: <p>
  Populates the schema for the specified endpoint. This is an asynchronous operation and can take several minutes.
  You can check the status of this operation by calling the DescribeRefreshSchemasStatus operation.
  </p>
  
  @param refreshSchemasRequest
  @return Result of the RefreshSchemas operation returned by the service.
  @throws InvalidResourceStateException
  The resource is in a state that prevents it from being used for database migration.
  @throws ResourceNotFoundException
  The resource could not be found.
  @throws KMSKeyNotAccessibleException
  AWS DMS cannot access the KMS key.
  @throws ResourceQuotaExceededException
  The quota for this resource quota has been exceeded.
  @sample AWSDatabaseMigrationService.RefreshSchemas
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/dms-2016-01-01/RefreshSchemas" target="_top">AWS API
  Documentation</a>