code: @Override
      public ListActionTypesResult listActionTypes(ListActionTypesRequest request) {
          request = beforeClientExecution(request);
          return executeListActionTypes(request);
      }
docs: <p>
  Gets a summary of all AWS CodePipeline action types associated with your account.
  </p>
  
  @param listActionTypesRequest
  Represents the input of a ListActionTypes action.
  @return Result of the ListActionTypes operation returned by the service.
  @throws ValidationException
  The validation was specified in an invalid format.
  @throws InvalidNextTokenException
  The next token was specified in an invalid format. Make sure that the next token you provided is the
  token returned by a previous call.
  @sample AWSCodePipeline.ListActionTypes
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/codepipeline-2015-07-09/ListActionTypes" target="_top">AWS
  API Documentation</a>