# ReadReceiptInfoV4

public class ReadReceiptInfoV4

只有采用群已读回执V2版本,群组的消息才需要此属性，V1版本或其它非群组类型会话中本属性为 NULL

## Constructors

ReadReceiptInfoV4
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public void ReadReceiptInfoV4()
public void ReadReceiptInfoV4(GroupReadReceiptInfoV2 v2)
public void ReadReceiptInfoV4(String jsonString)

## Properties

CREATOR
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public final static Creator<ReadReceiptInfoV4> CREATOR

## Functions

describeContents
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public int describeContents()
writeToParcel
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public void writeToParcel(Parcel dest, int flags)