code: public void process(final RepositoryMethodDescriptor descriptor, final ParamsContext paramsContext) {
          paramsService.processParams(descriptor, paramsContext);
          // parameter extensions may also be amend extensions
          amendExtensionsService.registerExtensions(descriptor, paramsContext);
          resultService.registerExtensions(descriptor, paramsContext.getExtensionsContext());
      }
docs: Parse method parameters. Resolves and applies all found parameter extensions.
  Resolves execution extensions and store ordered list of all found extensions in descriptor
  (extension will use them directly). Resolves result conversion extensions.
  <p>
  Called by method extension directly.
  
  @param descriptor    repository method descriptor
  @param paramsContext extension specific parameters context