apollo-adminservice/src/main/java/com/ctrip/framework/apollo/adminservice/controller/ReleaseController.java/ReleaseController/ReleaseController
class ReleaseController:  public ReleaseController(
      final ReleaseService releaseService,
      final NamespaceService namespaceService,
      final MessageSender messageSender,
      final NamespaceBranchService namespaceBranchService) {
    this.releaseService = releaseService;
    this.namespaceService = namespaceService;
    this.messageSender = messageSender;
    this.namespaceBranchService = namespaceBranchService;
  }