Possible null reference return.

Possible null reference return.

Possible null reference return.

This call site is reachable on: 'iOS' all versions, 'maccatalyst' 15.0 and later. 'CLCircularRegion' is unsupported on: 'ios' 17.0 and later (Use 'CLCircularGeographicCondition' instead.). (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

Possible null reference return.

This call site is reachable on: 'iOS' all versions, 'maccatalyst' 15.0 and later. 'CLCircularRegion' is unsupported on: 'ios' 17.0 and later (Use 'CLCircularGeographicCondition' instead.). (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

Possible null reference return.

Possible null reference return.

Possible null reference return.