成员的完整列表，这些成员属于 com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk,包括所有继承而来的类成员

getChunkTime()	com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk
getContent()	com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk
getIndex()	com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk
getMessageTime()	com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk
getType()	com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk
toString()	com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk
V2NIMMessageStreamChunk(String content, long messageTime, long chunkTime, int type, int index)	com.netease.nimlib.sdk.v2.message.model.V2NIMMessageStreamChunk