import { EggPrototype } from '@eggjs/tegg-metadata';
import { EggContext } from '@eggjs/tegg';
export type GetRootProtoCallback = (ctx: EggContext) => EggPrototype | undefined;
export declare class RootProtoManager {
    protoMap: Map<string, GetRootProtoCallback[]>;
    registerRootProto(method: string, cb: GetRootProtoCallback, host: string): void;
    getRootProto(ctx: EggContext): EggPrototype | undefined;
}