chat property

@TagNumber.new(4) ChatItem get chat

只有to != -1(触发onNewSession)时, 会有值

Implementation

@$pb.TagNumber(4)
$2.ChatItem get chat => $_getN(3);

@TagNumber.new(4) set chat (ChatItem v)

Implementation

@$pb.TagNumber(4)
set chat($2.ChatItem v) { setField(4, v); }