import type { RpcPlugin } from '../core';
import type { Transformer } from '../core/transformer';
import type { Context as BaseContext, Railiz } from 'railiz';
export type CacheDecision = {
    enabled: boolean;
    ttl?: number;
    staleWhileRevalidate?: number;
};
export interface RpcHandlerOptions<Context = any> {
    prefix?: string;
    createContext?: (context: BaseContext) => Context | Promise<Context>;
    transformer?: Transformer;
    plugins?: RpcPlugin<Context>[];
    cache?: {
        enabled?: boolean;
        policy?: (args: {
            path: string;
            input: any;
            context: Context;
        }) => CacheDecision;
        key?: (args: {
            path: string;
            input: any;
            context: Context;
        }) => string;
    };
}
export type RpcHandler = (app: Railiz) => void;
export declare function rpcHandler<Context = any>(router: any, options?: RpcHandlerOptions<Context>): RpcHandler;