Partial Type
src/Analyzers/Core/Analyzers/RemoveUnnecessarySuppressions/SuppressMessageAttributeState.cs
src/Compilers/Core/Portable/DiagnosticAnalyzer/SuppressMessageAttributeState.TargetScope.cs
src/Compilers/Core/Portable/DiagnosticAnalyzer/SuppressMessageAttributeState.TargetSymbolResolver.cs