partial void UpdateGroupmessagehash(Groupmessagehash instance);
partial void DeleteGroupmessagehash(Groupmessagehash instance);
partial void InsertGroupmessagehash(Groupmessagehash instance);
partial void UpdateGroupmessagehash(Groupmessagehash instance);
partial void DeleteGroupmessagehash(Groupmessagehash instance);
partial void InsertGroupmessagehash(Groupmessagehash instance);