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im_flutter_sdk
im_flutter_sdk.dart
EMGroupMessageAck
ackId property
ackId
dark_mode
light_mode
ackId
property
String
?
ackId
final
群组消息已读回执 ID。
Implementation
final String? ackId;
im_flutter_sdk
im_flutter_sdk
EMGroupMessageAck
ackId property
EMGroupMessageAck class