in src/dotnet/PowerToys.CyclomaticComplexity/ComplexityAnalysisElementProblemAnalyzer.cs [243:248]
private DocumentRange GetDocumentRange(ITreeNode element)
{
IDeclaration declaration;
var node = GetBestTreeNode(element, out declaration);
return declaration?.DeclaredElement != null ? declaration.GetNameDocumentRange() : node.GetDocumentRange();
}