export interface LockfileOptions {
    sync?: boolean;
}
export declare function lockfile(prop: string, opts?: LockfileOptions): MethodDecorator;
export interface RWLockfileOptions {
    ifLocked?: string;
}
export declare function rwlockfile(prop: string, type: 'read' | 'write', opts?: RWLockfileOptions): MethodDecorator;
export declare function onceAtATime(argKey?: number): MethodDecorator;
export interface IDecoratorOptions<T> {
    target: Object;
    propertyName: string | symbol;
    descriptor: TypedPropertyDescriptor<T>;
    original: T;
}
export interface IDecorator<T> {
    (opts: IDecoratorOptions<T>): T;
}