export interface MessageEventLike {
    target: WebSocket;
    type: 'message';
    data: string;
}
export declare function isMessageEvent(msg: unknown): msg is MessageEventLike;
export interface WsBaseEvent<TAction = 'snapshot' | string, TData = unknown> {
    action: TAction;
    arg: unknown;
    data: TData[];
}
export interface WsSnapshotChannelEvent extends WsBaseEvent<'snapshot'> {
    arg: {
        instType: string;
        channel: string;
        instId: string;
    };
}
export interface WsSnapshotAccountEvent extends WsBaseEvent<'snapshot'> {
    arg: {
        instType: string;
        channel: 'account';
        instId: string;
    };
}
export interface WsSnapshotPositionsEvent extends WsBaseEvent<'snapshot'> {
    arg: {
        instType: string;
        channel: 'positions';
        instId: string;
    };
}
export interface WsAccountSnapshotDataUMCBL {
    marginCoin: string;
    locked: string;
    available: string;
    maxOpenPosAvailable: string;
    maxTransferOut: string;
    equity: string;
    usdtEquity: string;
}
export interface WsAccountSnapshotUMCBL extends WsBaseEvent<'snapshot'> {
    arg: {
        instType: 'umcbl';
        channel: 'account';
        instId: string;
    };
    data: WsAccountSnapshotDataUMCBL[];
}
export interface WsPositionSnapshotDataUMCBL {
    posId: string;
    instId: string;
    instName: string;
    marginCoin: string;
    margin: string;
    marginMode: string;
    holdSide: string;
    holdMode: string;
    total: string;
    available: string;
    locked: string;
    averageOpenPrice: string;
    leverage: number;
    achievedProfits: string;
    upl: string;
    uplRate: string;
    liqPx: string;
    keepMarginRate: string;
    marginRate: string;
    cTime: string;
    uTime: string;
    markPrice: string;
}
export interface WSPositionSnapshotUMCBL extends WsBaseEvent<'snapshot'> {
    arg: {
        instType: 'umcbl';
        channel: 'positions';
        instId: string;
    };
    data: WsPositionSnapshotDataUMCBL[];
}