The Logging API document says that `os_log` is one of the legacy logging
symbols. However, this library needs to be supported below iOS 14 so
`log(level:_:)` cannot be used.
With Xcode 14 Beta 1 library fails to compile with following error.
> Stored properties cannot be marked potentially unavailable with `@available`
Because CALayerCornerCurve is not marked with any @available annotation it is possible to declare private optional storage of it.
They were set to `.required - 1` is #359, which fixed#294. However #294
was an issue on `.fitToBounds` content mode. But because of #444 and #515,
if your panel’s content mode is `.static`, their priorities should be set to
`.required` on `.static` content mode.
Shin Yamamoto
Anton Siliuk
Federico ZanetelloandShin Yamamoto