export declare class Decorator {
    protected _classRef: Function;
    protected _from: Function;
    protected _key: string;
    protected _method: Function;
    get classRef(): Function;
    set classRef(value: Function);
    get from(): Function;
    set from(value: Function);
    get key(): string;
    get method(): Function;
    get isClass(): boolean;
    protected constructor();
    static create(...params: any[]): void;
    decorateUnknown(classRef: Function, key?: string, method?: PropertyDescriptor): this;
    decorate(classRef: Function, key: string, method?: Function, from?: Function): this;
    update(): void;
}