Package-level declarations

Two-state marker (Defined/Undefined) with an isUndefined() check. Not referenced anywhere else in mosaic-client at the time of writing — no LazyColumn renderer or holder constructs or reads either case.

Two-state marker (Defined/Undefined) with an isUndefined() check — the LazyRow counterpart of LazyColumnRenderingScope. Not referenced anywhere else in mosaic-client at the time of writing — no LazyRow renderer or holder constructs or reads either case.