'ISymbol' does not contain a definition for 'GetFullyQualifiedNamespace' and no accessible extension method 'GetFullyQualifiedNamespace' accepting a first argument of type 'ISymbol' could be found (are you missing a using directive or an assembly reference?)

Possible null reference return.

'ISymbol' does not contain a definition for 'Yield' and no accessible extension method 'Yield' accepting a first argument of type 'ISymbol' could be found (are you missing a using directive or an assembly reference?)

'ISymbol' does not contain a definition for 'GetFullyQualifiedNamespace' and no accessible extension method 'GetFullyQualifiedNamespace' accepting a first argument of type 'ISymbol' could be found (are you missing a using directive or an assembly reference?)

'ISymbol' does not contain a definition for 'GetFullyQualifiedNamespace' and no accessible extension method 'GetFullyQualifiedNamespace' accepting a first argument of type 'ISymbol' could be found (are you missing a using directive or an assembly reference?)

Possible null reference return.

'ISymbol' does not contain a definition for 'Yield' and no accessible extension method 'Yield' accepting a first argument of type 'ISymbol' could be found (are you missing a using directive or an assembly reference?)

'ISymbol' does not contain a definition for 'GetFullyQualifiedNamespace' and no accessible extension method 'GetFullyQualifiedNamespace' accepting a first argument of type 'ISymbol' could be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

Unexpected input(s) 'include-prerelease', valid inputs are ['dotnet-version', 'dotnet-quality', 'global-json-file', 'source-url', 'owner', 'config-file', 'cache', 'cache-dependency-path']

'IEndianBinaryReader.ReadLine()' hides inherited member 'IDataReader.ReadLine()'. Use the new keyword if hiding was intended.

The type 'TKey' cannot be used as type parameter 'TKey' in the generic type or method 'IOutOfOrderDictionary<TKey, TValue>'. Nullability of type argument 'TKey' doesn't match 'notnull' constraint.

Possible null reference assignment.

Non-nullable field 'impl_' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Cannot convert null literal to non-nullable reference type.

Argument of type 'Func<string, T>' cannot be used for parameter 'selector' of type 'Func<string?, T>' in 'IEnumerable<T> Enumerable.Select<string?, T>(IEnumerable<string?> source, Func<string?, T> selector)' due to differences in the nullability of reference types.

Argument of type 'Func<string, T>' cannot be used for parameter 'selector' of type 'Func<string?, T>' in 'IEnumerable<T> Enumerable.Select<string?, T>(IEnumerable<string?> source, Func<string?, T> selector)' due to differences in the nullability of reference types.

Non-nullable property 'BufferedStream_' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable field 'positionManagerImpl_' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.