import { ParamsFindDuplicateSubscriber } from '../../types/rpc/params-find-duplicate-subscriber.mjs';
import { RpcFindDuplicateSubscriberResult } from '../../types/rpc/rpc-find-duplicate-subscriber-result.mjs';
import type { Client } from '../../../clients/types.mjs';
export declare function findDuplicateSubscriber(client: Client, params: ParamsFindDuplicateSubscriber): Promise<RpcFindDuplicateSubscriberResult>;