Variable ThreadOpenConst

ThreadOpen: TaggedStruct<
    "threadOpen",
    {
        from: optional<
            Struct<
                {
                    event: EntityIdClass;
                    feed: optional<RefSchema<Feed & OfKind<Object> & Unknown>>;
                    thread: optional<brand<String, "@dxos/echo/Feed/BranchId">>;
                },
            >,
        >;
        mode: Literals<readonly ["fork", "fresh", "light"]>;
        purpose: optional<String>;
        siblings: optional<$Array<brand<String, "@dxos/echo/Feed/BranchId">>>;
    },
> = ...