code: @Override
      public UpdateResolverResult updateResolver(UpdateResolverRequest request) {
          request = beforeClientExecution(request);
          return executeUpdateResolver(request);
      }
docs: <p>
  Updates a <code>Resolver</code> object.
  </p>
  
  @param updateResolverRequest
  @return Result of the UpdateResolver operation returned by the service.
  @throws ConcurrentModificationException
  Another modification is in progress at this time and it must complete before you can make your change.
  @throws NotFoundException
  The resource specified in the request was not found. Check the resource, and then try again.
  @throws UnauthorizedException
  You are not authorized to perform this operation.
  @throws InternalFailureException
  An internal AWS AppSync error occurred. Try your request again.
  @sample AWSAppSync.UpdateResolver
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/appsync-2017-07-25/UpdateResolver" target="_top">AWS API
  Documentation</a>