成员的完整列表，这些成员属于 com.netease.nimlib.sdk.avsignalling.event.CanceledInviteEvent,包括所有继承而来的类成员

CanceledInviteEvent(SignallingEvent event, String toAccount, String requestId)	com.netease.nimlib.sdk.avsignalling.event.CanceledInviteEvent
getChannelBaseInfo()	com.netease.nimlib.sdk.avsignalling.event.ChannelCommonEvent
getCustomInfo()	com.netease.nimlib.sdk.avsignalling.event.ChannelCommonEvent
getEventType()	com.netease.nimlib.sdk.avsignalling.event.ChannelCommonEvent
getFromAccountId()	com.netease.nimlib.sdk.avsignalling.event.ChannelCommonEvent
getRequestId()	com.netease.nimlib.sdk.avsignalling.event.CanceledInviteEvent
getTime()	com.netease.nimlib.sdk.avsignalling.event.ChannelCommonEvent
getToAccount()	com.netease.nimlib.sdk.avsignalling.event.CanceledInviteEvent