export declare class HMSSubscribeDegradationPolicy {
    packetLossThreshold?: number;
    degradeGracePeriodSeconds?: number;
    recoverGracePeriodSeconds?: number;
    constructor(params: {
        packetLossThreshold?: number;
        degradeGracePeriodSeconds?: number;
        recoverGracePeriodSeconds?: number;
    });
}