code: @Override
      public UpdateFunctionConfigurationResult updateFunctionConfiguration(UpdateFunctionConfigurationRequest request) {
          request = beforeClientExecution(request);
          return executeUpdateFunctionConfiguration(request);
      }
docs: <p>
  Modify the version-specific settings of a Lambda function.
  </p>
  <p>
  These settings can vary between versions of a function and are locked when you publish a version. You can't
  modify the configuration of a published version, only the unpublished version.
  </p>
  <p>
  To configure function concurrency, use <a>PutFunctionConcurrency</a>. To grant invoke permissions to an account
  or AWS service, use <a>AddPermission</a>.
  </p>
  
  @param updateFunctionConfigurationRequest
  @return Result of the UpdateFunctionConfiguration operation returned by the service.
  @throws ServiceException
  The AWS Lambda service encountered an internal error.
  @throws ResourceNotFoundException
  The resource (for example, a Lambda function or access policy statement) specified in the request does
  not exist.
  @throws InvalidParameterValueException
  One of the parameters in the request is invalid. For example, if you provided an IAM role for AWS Lambda
  to assume in the <code>CreateFunction</code> or the <code>UpdateFunctionConfiguration</code> API, that
  AWS Lambda is unable to assume you will get this exception.
  @throws TooManyRequestsException
  Request throughput limit exceeded.
  @throws ResourceConflictException
  The resource already exists.
  @throws PreconditionFailedException
  The RevisionId provided does not match the latest RevisionId for the Lambda function or alias. Call the
  <code>GetFunction</code> or the <code>GetAlias</code> API to retrieve the latest RevisionId for your
  resource.
  @sample AWSLambda.UpdateFunctionConfiguration
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/lambda-2015-03-31/UpdateFunctionConfiguration"
  target="_top">AWS API Documentation</a>