public async Task <IEnumerable <string> > GetAnalyzerFilesAsync(string identifier, CancellationToken cancellationToken = default)
{
ISymbol diagnosticDescriptor = DiagnosticDescriptors.First(f => f.Name == identifier);
IEnumerable <ReferencedSymbol> referencedSymbols = await SymbolFinder.FindReferencesAsync(diagnosticDescriptor, Solution, cancellationToken).ConfigureAwait(false);
ISymbol diagnosticIdentifier = DiagnosticIdentifiers.First(f => f.Name == identifier);
IEnumerable <ReferencedSymbol> referencedSymbols2 = await SymbolFinder.FindReferencesAsync(diagnosticIdentifier, Solution, cancellationToken).ConfigureAwait(false);
return(GetFilePaths(referencedSymbols.Concat(referencedSymbols2)));
}