code: @Override
      public CreateDocumentResult createDocument(CreateDocumentRequest request) {
          request = beforeClientExecution(request);
          return executeCreateDocument(request);
      }
docs: <p>
  Creates a Systems Manager document.
  </p>
  <p>
  After you create a document, you can use CreateAssociation to associate it with one or more running instances.
  </p>
  
  @param createDocumentRequest
  @return Result of the CreateDocument operation returned by the service.
  @throws DocumentAlreadyExistsException
  The specified document already exists.
  @throws MaxDocumentSizeExceededException
  The size limit of a document is 64 KB.
  @throws InternalServerErrorException
  An error occurred on the server side.
  @throws InvalidDocumentContentException
  The content for the document is not valid.
  @throws DocumentLimitExceededException
  You can have at most 200 active Systems Manager documents.
  @throws InvalidDocumentSchemaVersionException
  The version of the document schema is not supported.
  @sample AWSSimpleSystemsManagement.CreateDocument
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ssm-2014-11-06/CreateDocument" target="_top">AWS API
  Documentation</a>