import org.jetbrains.kotlin.analysis.api.fir.KaFirSession
import org.jetbrains.kotlin.analysis.api.fir.symbols.KaFirTypeParameterSymbol
import org.jetbrains.kotlin.analysis.api.fir.types.KaFirGenericSubstitutor
import org.jetbrains.kotlin.analysis.api.fir.types.KaFirMapBackedSubstitutor
import org.jetbrains.kotlin.analysis.api.fir.types.KaFirType
import org.jetbrains.kotlin.analysis.api.types.KaSubstitutor

        require(type is KaFirType)
        substitutor.substituteOrNull(type.coneType)?.type?.let { builder.typeBuilder.buildKtType(it) }
    }
}

internal class KaFirGenericSubstitutor(
    substitutor: ConeSubstitutor,
    builder: KaSymbolByFirBuilder,
) : AbstractKaFirSubstitutor<ConeSubstitutor>(substitutor, builder)

@OptIn(KaAnalysisApiInternals::class)

                is ChainedSubstitutor -> KaFirChainedSubstitutor(substitutor, this@KaSymbolByFirBuilder)
                else -> KaFirGenericSubstitutor(substitutor, this@KaSymbolByFirBuilder)
            }
        }
    }

    /**
     * We shouldn't expose imported callables as they may have different [org.jetbrains.kotlin.name.CallableId]s