System.register(["cc"], function (_export, _context) {
  "use strict";

  var _cclegacy, __checkObsolete__, __checkObsoleteInNamespace__, _decorator, Component, _dec, _class, _class2, _crd, ccclass, property, SingletonBase;

  return {
    setters: [function (_cc) {
      _cclegacy = _cc.cclegacy;
      __checkObsolete__ = _cc.__checkObsolete__;
      __checkObsoleteInNamespace__ = _cc.__checkObsoleteInNamespace__;
      _decorator = _cc._decorator;
      Component = _cc.Component;
    }],
    execute: function () {
      _crd = true;

      _cclegacy._RF.push({}, "983a7Fa7u9CALdO3YvO3QLZ", "SingletonBase", undefined);

      __checkObsolete__(['_decorator', 'Component']);

      ({
        ccclass,
        property
      } = _decorator);

      _export("SingletonBase", SingletonBase = (_dec = ccclass('SingletonBase'), _dec(_class = (_class2 = class SingletonBase extends Component {
        static getInstance() {
          if (this._instance === null) {
            return null;
          }

          return this._instance;
        }

        onLoad() {
          if (this.constructor._instance) {
            this.node.destroy();
            return;
          }

          this.constructor._instance = this;
        }

        onDestroy() {
          if (this.constructor._instance === this) {
            this.constructor._instance = null;
          }
        }

      }, _class2._instance = null, _class2)) || _class));

      _cclegacy._RF.pop();

      _crd = false;
    }
  };
});
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