import { ENV } from '../config';
import { PushAPI, SignerType } from '@pushprotocol/restapi';
export type SupportChatStreamHookOption = {
    account?: string | null;
    env?: ENV;
    user: PushAPI;
    supportAddress: string | null;
    signer?: SignerType | null;
};
export declare const useSupportChatStream: ({ account, env, user, supportAddress, signer }: SupportChatStreamHookOption) => {
    messagesSinceLastConnection: any;
    isSupportChatStreamConnected: boolean;
};