import { JsonRpcMiddleware } from 'json-rpc-engine';
import { IOcapLdCaveat } from './@types/ocap-ld';
export declare type ICaveatFunction = JsonRpcMiddleware;
export declare type ICaveatFunctionGenerator = (caveat: IOcapLdCaveat) => ICaveatFunction;
export declare const requireParams: ICaveatFunctionGenerator;
export declare const filterResponse: ICaveatFunctionGenerator;
export declare const limitResponseLength: ICaveatFunctionGenerator;
export declare const forceParams: ICaveatFunctionGenerator;