GroupUpdate:
    | {
        Type: "GroupDoesNotExist";
    } & StringGroupUpdate
    | {
        Type: "GroupJoined";
    } & GroupInfoDtoGroupUpdate
    | {
        Type: "GroupLeft";
    } & StringGroupUpdate
    | {
        Type: "LibraryAccessDenied";
    } & StringGroupUpdate
    | {
        Type: "NotInGroup";
    } & StringGroupUpdate
    | {
        Type: "PlayQueue";
    } & PlayQueueUpdateGroupUpdate
    | {
        Type: "StateUpdate";
    } & GroupStateUpdateGroupUpdate
    | {
        Type: "UserJoined";
    } & StringGroupUpdate
    | {
        Type: "UserLeft";
    } & StringGroupUpdate