imports.flatMapTo(hashSetOf()) { import: Import ->
            if (import.relativeClassName == null) { // top level callable
                DeclarationsInPackageProvider.getTopLevelCallableNamesInPackageProvider(import.packageFqName, analysisSession)
            } else { //member
                val classId = import.resolvedClassId ?: error("Class id should not be null as relativeClassName is not null")

        FirPackageMemberScope(fqName, analysisSession.useSiteSession)
    }

    override fun getPossibleCallableNames(): Set<Name> = withValidityAssertion {
        DeclarationsInPackageProvider.getTopLevelCallableNamesInPackageProvider(fqName, analysisSession)
    }

    override fun getPossibleClassifierNames(): Set<Name> = withValidityAssertion {

                    }
                }
            }

            addAll(collectGeneratedTopLevelClassifiers(packageFqName, analysisSession.useSiteSession))
        }
    }

    internal fun getTopLevelCallableNamesInPackageProvider(packageFqName: FqName, analysisSession: KaFirSession): Set<Name> {
        return buildSet {
            addAll(
                analysisSession.symbolNamesProvider.getTopLevelCallableNamesInPackage(packageFqName)