Nullable value type may be null.

Nullable value type may be null.

'LogFormatter.Structured' is obsolete: 'Use Enhanced instead of Structure'

The field 'DiagnosticLogger._diagnosticsSupressed' is assigned but its value is never used

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

The switch expression does not handle all possible values of its input type (it is not exhaustive). For example, the pattern '""' is not covered.