docs: def build(self, build_execution_configuration, **kwargs):
          """
          Triggers the build execution for a given configuration.
          
          This method makes a synchronous HTTP request by default. To make an
          asynchronous HTTP request, please define a `callback` function
          to be invoked when receiving the response.
          >>> def callback_function(response):
          >>>     pprint(response)
          >>>
          >>> thread = api.build(build_execution_configuration, callback=callback_function)
  
          :param callback function: The callback function
              for asynchronous request. (optional)
          :param str build_execution_configuration: Build Execution Configuration. See org.jboss.pnc.spi.executor.BuildExecutionConfiguration. (required)
          :param str username_triggered: Username who triggered the build. If empty current user is used.
          :param str callback_url: Optional Callback URL
          :return: None
                   If the method is called asynchronously,
                   returns the request thread.
          """
          kwargs['_return_http_data_only'] = True
          if kwargs.get('callback'):
              return self.build_with_http_info(build_execution_configuration, **kwargs)
          else:
              (data) = self.build_with_http_info(build_execution_configuration, **kwargs)
              return data