public static IFSharpReferenceOwner GetByQualifier([CanBeNull] IFSharpReferenceOwner param) =>
 ReferenceExprNavigator.GetByQualifier(param as ISynExpr) ??
 (IFSharpReferenceOwner)ReferenceNameNavigator.GetByQualifier(param as IReferenceName) ??
 TypeExtensionDeclarationNavigator.GetByQualifierReferenceName(param as IReferenceName);
 public static IFSharpReferenceOwner GetByIdentifier([CanBeNull] IFSharpIdentifier identifier) =>
 ReferenceExprNavigator.GetByIdentifier(identifier) ??
 (IFSharpReferenceOwner)ReferenceNameNavigator.GetByIdentifier(identifier) ??
 TypeExtensionDeclarationNavigator.GetByIdentifier(identifier);