code: @Override
      public StartFleetResult startFleet(StartFleetRequest request) {
          request = beforeClientExecution(request);
          return executeStartFleet(request);
      }
docs: <p>
  Starts the specified fleet.
  </p>
  
  @param startFleetRequest
  @return Result of the StartFleet operation returned by the service.
  @throws ResourceNotFoundException
  The specified resource was not found.
  @throws OperationNotPermittedException
  The attempted operation is not permitted.
  @throws LimitExceededException
  The requested limit exceeds the permitted limit for an account.
  @throws InvalidAccountStatusException
  The resource cannot be created because your AWS account is suspended. For assistance, contact AWS
  Support.
  @throws ConcurrentModificationException
  An API error occurred. Wait a few minutes and try again.
  @sample AmazonAppStream.StartFleet
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/appstream-2016-12-01/StartFleet" target="_top">AWS API
  Documentation</a>