fun newTypeParameterOf(
    flags: Flags = 0,
    name: String,
    id: Int = 0,
    variance: KmVariance,
    upperBound: KmType,
): KmTypeParameter {
    val kmTypeParameter = KmTypeParameter(flags, name, id, variance)
    kmTypeParameter.upperBounds += upperBound
    return kmTypeParameter
}


internal
fun nullable(kmType: KmType): KmType = kmType.also { it.flags = flagsOf(Flag.Type.IS_NULLABLE) }


internal