623     if (sig->HasSignatureFlag(SignatureFlags::PUBLIC) || sig->Owner() == containingClass ||  in IsSignatureAccessible()
624 …(sig->HasSignatureFlag(SignatureFlags::PROTECTED) && relation->IsSupertypeOf(sig->Owner(), contain…  in IsSignatureAccessible()
792         if (mostSpecificSignature->Owner() == sig->Owner()) {  in FindMostSpecificSignature()
1074     if (signature->Owner()->GetDeclNode()->IsFinal() || func->IsFinal()) {  in ComposeSignature()
1284     if (func->Signature()->Owner()->GetDeclNode()->IsFinal() || func->IsFinal()) {  in AddSignatureFlags()
1497 …ThrowTypeError({signature->Function()->Id()->Name(), signature, " in ", signature->Owner(), " cann…  in ThrowOverrideError()
1499                     overriddenSignature->Owner(), " because ", reason},  in ThrowOverrideError()
1536         if (signature->Owner()->HasObjectFlag(ETSObjectFlags::INTERFACE) &&  in CheckOverride()
1537             Relation()->IsIdenticalTo(itSubst->Owner(), GlobalETSObjectType()) &&  in CheckOverride()
1552     auto *owner = signature->Owner();  in CheckOverride()  local
1555     if (!owner->HasObjectFlag(ETSObjectFlags::CLASS | ETSObjectFlags::INTERFACE)) {  in CheckOverride()
1559     for (auto *const interface : owner->Interfaces()) {  in CheckOverride()
1563     ETSObjectType *iter = owner->SuperType();  in CheckOverride()
1575 …owTypeError({"Method ", signature->Function()->Id()->Name(), signature, " in ", signature->Owner(),  in CheckOverride()