code: @Override
      public ModifyReplicationSubnetGroupResult modifyReplicationSubnetGroup(ModifyReplicationSubnetGroupRequest request) {
          request = beforeClientExecution(request);
          return executeModifyReplicationSubnetGroup(request);
      }
docs: <p>
  Modifies the settings for the specified replication subnet group.
  </p>
  
  @param modifyReplicationSubnetGroupRequest
  @return Result of the ModifyReplicationSubnetGroup operation returned by the service.
  @throws AccessDeniedException
  AWS DMS was denied access to the endpoint. Check that the role is correctly configured.
  @throws ResourceNotFoundException
  The resource could not be found.
  @throws ResourceQuotaExceededException
  The quota for this resource quota has been exceeded.
  @throws SubnetAlreadyInUseException
  The specified subnet is already in use.
  @throws ReplicationSubnetGroupDoesNotCoverEnoughAZsException
  The replication subnet group does not cover enough Availability Zones (AZs). Edit the replication subnet
  group and add more AZs.
  @throws InvalidSubnetException
  The subnet provided is invalid.
  @sample AWSDatabaseMigrationService.ModifyReplicationSubnetGroup
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/dms-2016-01-01/ModifyReplicationSubnetGroup"
  target="_top">AWS API Documentation</a>