import { MixinApiService } from '../..';
import { SdkWsProto } from '@openim/protocol';
export declare class OnlineSubManager {
    private ctx;
    private state;
    constructor(ctx: MixinApiService);
    updateSubs: ({ sub, unSub, operationID, }: {
        sub?: string[];
        unSub?: string[];
        operationID: string;
    }) => Promise<void>;
    getUserOnlineState: (userIDs: string[], operationID: string) => Promise<{
        userID: string;
        status: number;
        platformIDs: number[];
    }[]>;
    getAllSubUsersOnlineState: () => {
        userID: string;
        status: number;
        platformIDs: number[];
    }[];
    userOnlineStateChange: ({ subscribers, }: SdkWsProto.SubUserOnlineStatusTips) => void;
}