Variable UNSTABLE_MSC3089_TREE_SUBTYPE`Const`

UNSTABLE_MSC3089_TREE_SUBTYPE: UnstableValue<"m.data_tree", "org.matrix.msc3089.data_tree"> = ...

Subtype for an MSC3089 space-room. Note that this reference is UNSTABLE and subject to breaking changes, including its eventual removal.