// src/common/ZError.ts
var ZError = class {
  constructor(statusCode, message) {
    this.statusCode = statusCode;
    this.message = message;
  }
};

// src/decorators/singleton.ts
var SINGLETON_KEY = Symbol();
var singleton = (classTarget) => new Proxy(classTarget, {
  construct(target, argumentsList, newTarget) {
    if (target.prototype !== newTarget.prototype) {
      return Reflect.construct(target, argumentsList, newTarget);
    }
    if (!target[SINGLETON_KEY]) {
      target[SINGLETON_KEY] = Reflect.construct(target, argumentsList, newTarget);
    }
    return target[SINGLETON_KEY];
  }
});
export {
  SINGLETON_KEY,
  ZError,
  singleton
};
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