<PackageReference Include="Microsoft.CSharp" Version="4.7.0-preview1.19504.10" />

CSemanticChecker

static class CSemanticChecker
public static bool CheckAccess(Symbol symCheck, AggregateType atsCheck, Symbol symWhere, CType typeThru)

public static ACCESSERROR CheckAccess2(Symbol symCheck, AggregateType atsCheck, Symbol symWhere, CType typeThru)

public static bool CheckBogus(Symbol sym)

public static void CheckForStaticClass(CType type)

public static bool CheckTypeAccess(CType type, Symbol symWhere)

public static RuntimeBinderException ReportAccessError(SymWithType swtBad, Symbol symWhere, CType typeQual)