docs: @Post("/metadata/{projectName}/repos/{repoName}/perm/role")
      public CompletableFuture<Revision> updateRolePermission(@Param("projectName") String projectName,
                                                              @Param("repoName") String repoName,
                                                              PerRolePermissions newPermission,
                                                              Author author) {
          return mds.updatePerRolePermissions(author, projectName, repoName, newPermission);
      }