Possible null reference return.

Possible null reference return.

Possible null reference assignment.

Possible null reference argument for parameter 'method' in 'MethodCallExpression Expression.Call(MethodInfo method, Expression arg0)'.

Possible null reference argument for parameter 'method' in 'MethodCallExpression Expression.Call(Expression? instance, MethodInfo method)'.

Nullability of reference types in value of type 'Dictionary<TEnum, string?>' doesn't match target type 'Dictionary<TEnum, string>'.

Dereference of a possibly null reference.

Nullability of type of parameter 'obj' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'node' doesn't match overridden member (possibly because of nullability attributes).