internal override NamedTypeSymbol GetDeclaredBaseType(ConsList <Symbol> basesBeingResolved)
{
if (ReferenceEquals(_lazyDeclaredBaseType, ErrorTypeSymbol.UnknownResultType))
{
var underlyingBase = _underlyingType.GetDeclaredBaseType(basesBeingResolved);
var declaredBase = (object)underlyingBase != null?this.RetargetingTranslator.Retarget(underlyingBase, RetargetOptions.RetargetPrimitiveTypesByName) : null;
Interlocked.CompareExchange(ref _lazyDeclaredBaseType, declaredBase, ErrorTypeSymbol.UnknownResultType);
}
return(_lazyDeclaredBaseType);
}
