code: @Override
      public DeregisterEcsClusterResult deregisterEcsCluster(DeregisterEcsClusterRequest request) {
          request = beforeClientExecution(request);
          return executeDeregisterEcsCluster(request);
      }
docs: <p>
  Deregisters a specified Amazon ECS cluster from a stack. For more information, see <a href=
  "http://docs.aws.amazon.com/opsworks/latest/userguide/workinglayers-ecscluster.html#workinglayers-ecscluster-delete"
  > Resource Management</a>.
  </p>
  <p>
  <b>Required Permissions</b>: To use this action, an IAM user must have a Manage permissions level for the stack
  or an attached policy that explicitly grants permissions. For more information on user permissions, see <a
  href="http://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html"
  >http://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html</a>.
  </p>
  
  @param deregisterEcsClusterRequest
  @return Result of the DeregisterEcsCluster operation returned by the service.
  @throws ValidationException
  Indicates that a request was not valid.
  @throws ResourceNotFoundException
  Indicates that a resource was not found.
  @sample AWSOpsWorks.DeregisterEcsCluster
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/opsworks-2013-02-18/DeregisterEcsCluster" target="_top">AWS
  API Documentation</a>