public static PersistentNames Create(DiagnosticAnalyzer diagnosticAnalyzer)
 => s_analyzerStateNameCache.GetOrAdd(diagnosticAnalyzer.GetAnalyzerId(), t => new PersistentNames(t));
 public static AnalyzerStateNames For(DiagnosticAnalyzer diagnosticAnalyzer)
 {
     return(s_analyzerStateNameCache.GetOrAdd(diagnosticAnalyzer.GetAnalyzerId(), t => new AnalyzerStateNames(t)));
 }