import { CallHandler, ExecutionContext, NestInterceptor } from '@nestjs/common';
import { Observable } from 'rxjs';
export declare const Limitation: (max: number, interval: number) => import("@nestjs/common").CustomDecorator<string>;
export declare class LimitationInterceptor implements NestInterceptor {
    protected readonly reflector: any;
    private limitValves;
    constructor(reflector: any);
    intercept(context: ExecutionContext, next: CallHandler<any>): Observable<any> | Promise<Observable<any>>;
}
export declare class LimitValve {
    max: number;
    interval: number;
    private preTime;
    private volume;
    private speed;
    constructor(max?: number, interval?: number);
    tryPass(): boolean;
}