export declare enum CALL_DISCARD_REASON {
    callDiscardReasonEmpty = "callDiscardReasonEmpty",
    callDiscardReasonMissed = "callDiscardReasonMissed",
    callDiscardReasonDeclined = "callDiscardReasonDeclined",
    callDiscardReasonDisconnected = "callDiscardReasonDisconnected",
    callDiscardReasonHungUp = "callDiscardReasonHungUp"
}