import { PLVRTCConfig, PLVRTCEngine, PLVRTCEngineEventCallback, PLVRTCEngineFactory, PLVRTCType } from '@polyvharmony/rtc-sdk';
export declare class PLVTRTCEngineFactory extends PLVRTCEngineFactory {
    static readonly instance: PLVTRTCEngineFactory;
    private constructor();
    isEngineSupport(f6: PLVRTCType): boolean;
    create(c6: PLVRTCConfig, d6: PLVRTCEngineEventCallback): PLVRTCEngine | null;
}