消息模块需要的群组信息（由群组模块实现）。
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
groupName(
String groupId) → String? - 群名称；本地没有时为 null。
-
memberNickname(
String groupId, String username) → String? - 成员的群昵称；没有时为 null。
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
roleOf(
String groupId, String username) → String? - 本人或某个成员在群中的角色：owner、admin、member；不知道时为 null。
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited