code: @RequestMapping(value = "project/{projectId}/builds/diff", method = RequestMethod.GET)
      public Resources<Action> buildDiffActions(@PathVariable ID projectId) {
          return Resources.of(
                  extensionManager.getExtensions(BuildDiffExtension.class)
                          .stream()
                          .filter(extension -> extension.apply(structureService.getProject(projectId)))
                          .map(this::resolveExtensionAction)
                          .collect(Collectors.toList()),
                  uri(on(getClass()).buildDiffActions(projectId))
          );
      }
docs: List of diff actions