import org.jetbrains.kotlin.fir.symbols.impl.FirClassSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
import org.jetbrains.kotlin.fir.types.ConeClassLikeType
import org.jetbrains.kotlin.fir.types.toRegularClassSymbol

internal class KtFirSubstitutorProvider(
    override val analysisSession: KtFirAnalysisSession,
) : KtSubstitutorProvider(), KtFirAnalysisSessionComponent {
    override fun createSubstitutor(

    }
}

private fun ConeKotlinType.isLocalButAvailableAtPosition(
    session: FirSession,
    useSitePosition: PsiElement,
): Boolean {
    val localClassSymbol = this.toRegularClassSymbol(session) ?: return false
    val localPsi = localClassSymbol.source?.psi ?: return false
    val context = (useSitePosition as? KtLightElement<*, *>)?.kotlinOrigin ?: useSitePosition

import org.jetbrains.kotlin.analysis.utils.errors.withPsiEntry
import org.jetbrains.kotlin.analysis.utils.printer.parentOfType
import org.jetbrains.kotlin.fir.FirElement
import org.jetbrains.kotlin.fir.analysis.checkers.toRegularClassSymbol
import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
import org.jetbrains.kotlin.fir.declarations.FirValueParameter
import org.jetbrains.kotlin.fir.declarations.fullyExpandedClass

        val ktTypeElementFromFirType = unwrapType(fir.psi)

        val classifiersToSkip = expression.parents.takeWhile { it != ktTypeElementFromFirType }.count()
        var classifier: FirClassLikeSymbol<*>? = fir.type.toRegularClassSymbol(session)
        repeat(classifiersToSkip) {
            classifier = classifier?.getContainingClassSymbol(session)
        }

        val firClassSymbol = classifier

            delegate = delegateImport
            packageFqName = packageOrClass.packageFqName
        }
    }

    fun getRegularClass(type: ConeKotlinType?): FirRegularClass? {
        return type?.toRegularClassSymbol(firSession)?.fir
    }

    fun toClassSymbol(classId: ClassId) =
        firSession.symbolProvider.getClassLikeSymbolByClassId(classId)