private fun typeEquals(from: ParameterizedType, to: ParameterizedType, typeVarMap: Map<String, Type>): Boolean =
    if (from.rawType == to.rawType) {
        from.actualTypeArguments
            .zip(to.actualTypeArguments)
            .all { (from, to) -> matches(from, to, typeVarMap) }
    } else {
        false
    }