export declare const singletonSymbol: unique symbol;
export declare enum SingletonType {
    Throw = 0,
    ReturnSame = 1
}
type AnyClass = new (...args: any) => any;
/**
 * 单例类修饰器
 * @param type
 * @returns
 */
export declare function singleton(type?: SingletonType): <T extends AnyClass>(Class: T, ctx: ClassDecoratorContext) => T;
export declare function createSingleton<T>(Class: new () => T): T;
export {};
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