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