import { SignalControllerChannelInfo, SignalControllerCallingStatus, SignalControllerCallParams, SignalControllerEvents } from './types';
import EventEmitter from 'eventemitter3';
import V2NIM from 'nim-web-sdk-ng';
declare class SignalController extends EventEmitter<SignalControllerEvents> {
    callStatus: SignalControllerCallingStatus;
    callTimeout: number;
    offlineEnabled: boolean;
    enableAutoJoinSignalChannel: boolean;
    enableRecord: boolean;
    /** 外部占线检查：用于检查群呼是否正在进行中 */
    externalBusyChecker?: () => boolean;
    private _nim;
    private _signal;
    private _callTimer?;
    private _rejectTimer?;
    private _channelInfo?;
    private _pendingChannelId?;
    private _stateGeneration;
    private _offlineInviteEvents;
    private _offlineCancelInviteEvents;
    private _offlineControlEvents;
    get channelInfo(): SignalControllerChannelInfo | undefined;
    get nimInstance(): V2NIM;
    /**
     *
     * @param im im实例对象
     * @param kitName 上层kit名称
     * @param version 上层kit版本
     * @param debug 是否开启debug，输出日志
     */
    constructor({ nim }: {
        nim: V2NIM;
    });
    call(opt: SignalControllerCallParams): Promise<SignalControllerChannelInfo>;
    accept(opt?: {
        nertcJoinRoomQueryParamMap?: string;
    }): Promise<SignalControllerChannelInfo>;
    cancel(opt?: {
        channelId?: string;
        extraString?: string;
    }): Promise<void>;
    reject(opt?: {
        channelId?: string;
        reason?: number;
        extraString?: string;
    }): Promise<void>;
    hangup(opt?: {
        channelId?: string;
        extraString?: string;
        duration?: number;
    }): Promise<void>;
    hangupSilently(opt?: {
        channelId?: string;
        extraString?: string;
        duration?: number;
    }): Promise<void>;
    control(opt?: {
        ext?: any;
    }): Promise<void>;
    reconnect(): void;
    resetState(): void;
    destroy(): void;
    private _signalCallEx;
    /**
     * V10: Dispatcher for online events (replaces 6 separate old event handlers)
     */
    private _onOnlineEvent;
    /**
     * V10: Multi-client event (replaces feature=3 branches of _signalingAccept/_signalingReject)
     */
    private _onMultiClientEvent;
    /**
     * V10: Offline event handler (replaces feature=1 branches of _signalingInvite/_signalingCancelInvite)
     *
     * 注意：onSyncRoomInfoList 仅在用户有活跃房间时才触发（NIM SDK 内部判断 datas.length > 0）。
     * 被叫未接听过任何通话时没有活跃房间，onSyncRoomInfoList 不会触发，
     * 若依赖它来处理离线邀请，来电会永久丢失。
     * 因此在此处直接处理离线邀请，不再等待 onSyncRoomInfoList。
     */
    private _onOfflineEvent;
    /**
     * V10: Sync room info list (replaces _singalingSyncChannels + _onDataSync)
     * 兜底处理：若 onSyncRoomInfoList 触发（用户有活跃房间时），处理尚未被 _onOfflineEvent 处理的离线邀请。
     */
    private _onSyncRoomInfoList;
    /**
     * V10: Handle online invite event (replaces _signalingInvite case 0)
     */
    private _handleOnlineInvite;
    /**
     * V10: Handle online accept event (replaces _signalingAccept case 0/1)
     */
    private _handleOnlineAccept;
    /**
     * V10: Handle online reject event (replaces _signalingReject case 0)
     */
    private _handleOnlineReject;
    /**
     * V10: Handle online cancel invite event (replaces _signalingCancelInvite case 0)
     */
    private _handleOnlineCancelInvite;
    /**
     * V10: Handle online close event (replaces _signalingClose)
     */
    private _handleOnlineClose;
    /**
     * V10: Handle online control event (replaces _signalingCustomCommand)
     */
    private _handleOnlineControl;
    /**
     * 离线控制指令延迟 flush，等 channelInfo 就绪后处理（对应老代码 _flushOfflineCustomCommandEvents）
     */
    private _flushOfflineControlEvents;
    /**
     * 接收呼叫
     * V10: joinRoom() + acceptInvite() replaces joinAndAccept()
     */
    private _signalAccept;
    /**
     * 取消呼叫中的信令
     * V10: cancelInvite() with inviteeAccountId
     */
    private _signalCancel;
    /**
     * 拒绝通话，可能通过占线、超时、主动等方式触发
     * V10: rejectInvite() with inviterAccountId
     */
    private _signalReject;
    /**
     * 关闭信令房间
     * V10: closeRoom(channelId, offlineEnabled, serverExtension)
     */
    private _signalHangup;
    private _signalHangupSilently;
    private _closeRoomAfterHangup;
    /**
     * 单人通话下，需要通知服务端退出的情况
     * @param userId IM的account账号
     * @param status
     */
    private _sendMessage;
    /**
     * V10: Format SDK channel info using new field names
     * @param data - {channelInfo, members} from getRoomInfoByChannelName or roomInfo from call/joinRoom
     * @param rtcInfo - rtcInfo from call/joinRoom result (nullable)
     */
    private _formatSDKChannelInfo;
}
export default SignalController;