Possible null reference argument for parameter 'item' in 'void ValueListBuilder<SyntaxNode>.Append(SyntaxNode item)'.

The argument should be a constant for optimal performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1857)

The argument should be a constant for optimal performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1857)

The argument should be a constant for optimal performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1857)

The argument should be a constant for optimal performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1857)

The argument should be a constant for optimal performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1857)

The argument should be a constant for optimal performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1857)

The variable 'x' is assigned but its value is never used

The variable 'y' is assigned but its value is never used