code: public Observable<ServiceResponse<Tag>> createTagWithServiceResponseAsync(UUID projectId, String name, CreateTagOptionalParameter createTagOptionalParameter) {
          if (projectId == null) {
              throw new IllegalArgumentException("Parameter projectId is required and cannot be null.");
          }
          if (name == null) {
              throw new IllegalArgumentException("Parameter name is required and cannot be null.");
          }
          if (this.client.apiKey() == null) {
              throw new IllegalArgumentException("Parameter this.client.apiKey() is required and cannot be null.");
          }
          final String description = createTagOptionalParameter != null ? createTagOptionalParameter.description() : null;
  
          return createTagWithServiceResponseAsync(projectId, name, description);
      }
docs: Create a tag for the project.
  
  @param projectId The project id
  @param name The tag name
  @param createTagOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the Tag object