Possible null reference argument for parameter 'expression' in 'TypeInfo CSharpExtensions.GetTypeInfo(SemanticModel? semanticModel, ExpressionSyntax expression, CancellationToken cancellationToken = default(CancellationToken))'.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

The result of the expression is always 'false' since a value of type 'SeparatedSyntaxList<TypeSyntax>' is never equal to 'null' of type 'SeparatedSyntaxList<TypeSyntax>?'

Dereference of a possibly null reference.

Argument of type 'ITypeSymbol?[]' cannot be used for parameter 'argumentTypes2' of type 'ITypeSymbol[]' in 'bool ConstructorArgumentsShouldMatchAnalyzer.AreParametersMatching(ImmutableArray<IParameterSymbol> constructorParameters, ITypeSymbol[] argumentTypes2)' due to differences in the nullability of reference types.