*/
@Suppress("UNCHECKED_CAST")
private fun <T : CallableDescriptor> T.unwrapUseSiteSubstitutionOverride(): T {
    var current: CallableDescriptor = this
    while (original != current) {
        current = current.original
    }
    return current as T
}

internal fun KotlinType.toKtType(analysisContext: Fe10AnalysisContext): KtType {
    return when (val unwrappedType = unwrap()) {