* Returns whether this [FirScope] is a scope wider than [another] based on the above [PartialOrderOfScope] or not.
     */
    private fun FirScope.isWiderThan(another: FirScope): Boolean =
        toPartialOrder().scopeDistanceLevel > another.toPartialOrder().scopeDistanceLevel

    /**
     * Assuming that all scopes in this List<FirScope> and [base] are surrounding [from], returns whether an element of