crossinline nameFilter: KtScopeNameFilter,
        crossinline getDeclarationsByProvider: (LLFirResolveExtensionToolDeclarationProvider) -> Sequence<D>,
    ): Sequence<S> = sequence {
        for (tool in tools) {
            for (declaration in getDeclarationsByProvider(tool.declarationProvider)) {
                val declarationName = declaration.nameAsName ?: continue

import org.jetbrains.kotlin.name.Name


internal fun FirScope.getCallableSymbols(
    callableNames: Collection<Name>,
    builder: KtSymbolByFirBuilder
): Sequence<KtCallableSymbol> = sequence {
    callableNames.forEach { name ->
        yieldList {
            processFunctionsByName(name) { firSymbol ->
                add(builder.functionLikeBuilder.buildFunctionSymbol(firSymbol))
            }

    override fun getCallableSymbols(names: Collection<Name>): Sequence<KtCallableSymbol> = withValidityAssertion {
        if (names.isEmpty()) return emptySequence()
        val namesSet = names.toSet()
        return getCallableSymbols { it in namesSet }
    }

    override fun getClassifierSymbols(nameFilter: KtScopeNameFilter): Sequence<KtClassifierSymbol> = withValidityAssertion {
        sequence {

        firScope.getClassifierSymbols(getPossibleClassifierNames().filter(nameFilter), builder)
    }

    override fun getClassifierSymbols(names: Collection<Name>): Sequence<KtClassifierSymbol> = withValidityAssertion {
        firScope.getClassifierSymbols(names, builder)
    }

                    ).let(::add)
                }
            }
        }
    }

    override fun getPackageSymbols(nameFilter: KtScopeNameFilter): Sequence<KtPackageSymbol> = withValidityAssertion {
        emptySequence()
    }

    override fun getConstructors(): Sequence<KtConstructorSymbol> = withValidityAssertion { emptySequence() }

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

            else -> error("Unexpected ${this::class}")
        }

    /**
     * Note: The resulting sequence does not contain non-qualified types!
     *
     * For type `A.B.C.D` it will return sequence of [`A.B.C.D`, `A.B.C`, `A.B`] (**without** `A`).
     */
    private val KtUserType.qualifiedTypesWithSelf: Sequence<KtUserType>
        get() {
            require(qualifier != null) {

        }
    }

    private fun generateNameInterpretations(fqName: FqName): Sequence<FqNameInterpretation> = sequence {
        val parts = fqName.pathSegments()
        if (parts.isEmpty()) {
            yield(FqNameInterpretation.create(packageParts = emptyList(), classParts = emptyList(), callable = null))
            return@sequence
        }
        for (lastPackagePartIndexExclusive in 0..parts.size) {
            yield(

    }

    override fun getCallableSymbols(names: Collection<Name>): Sequence<KtCallableSymbol> = withValidityAssertion {
        if (names.isEmpty()) return emptySequence()
        val namesSet = names.toSet()
        return getCallableSymbols { it in namesSet }
    }

    override fun getClassifierSymbols(nameFilter: KtScopeNameFilter): Sequence<KtClassifierSymbol> = withValidityAssertion {
        return scope

        firScope.getClassifierSymbols(getPossibleClassifierNames().filter(nameFilter), builder)
    }

    override fun getClassifierSymbols(names: Collection<Name>): Sequence<KtClassifierSymbol> = withValidityAssertion {
        firScope.getClassifierSymbols(names, builder)
    }

        val packageFragmentProvider = analysisContext.resolveSession.packageFragmentProvider
        return packageFragmentProvider.getSubPackagesOf(owner.fqName, nameFilter)
            .asSequence()
            .map { KtFe10PackageSymbol(it, analysisContext) }
    }

    override fun getConstructors(): Sequence<KtConstructorSymbol> = withValidityAssertion {