*
     * N.B. The class is not considered to be a direct subclass of itself, so `myClass.isDirectSubClassOf(myClass)` is always `false`.
     */
    public fun KaClassOrObjectSymbol.isDirectSubClassOf(superClass: KaClassOrObjectSymbol): Boolean =
        withValidityAssertion { analysisSession.symbolDeclarationOverridesProvider.isDirectSubClassOf(this, superClass) }

                val superClassSymbol = superClass.getClassOrObjectSymbol()!!

                val isSubClass = subClassSymbol.isSubClassOf(superClassSymbol)
                val isDirectSubClass = subClassSymbol.isDirectSubClassOf(superClassSymbol)

                buildString {
                    appendLine("IS_SUBCLASS: $isSubClass")
                    appendLine("IS_DIRECT_SUBCLASS: $isDirectSubClass")
                }
            }

        val superClassDescriptor = getSymbolDescriptor(superClass) as? ClassDescriptor ?: return false
        return subClassDescriptor.isSubclassOf(superClassDescriptor)
    }

    override fun isDirectSubClassOf(subClass: KaClassOrObjectSymbol, superClass: KaClassOrObjectSymbol): Boolean {
        val subClassDescriptor = getSymbolDescriptor(subClass) as? ClassDescriptor ?: return false

    override fun isSubClassOf(subClass: KaClassOrObjectSymbol, superClass: KaClassOrObjectSymbol): Boolean {
        return isSubClassOf(subClass, superClass, allowIndirectSubtyping = true)
    }

    override fun isDirectSubClassOf(subClass: KaClassOrObjectSymbol, superClass: KaClassOrObjectSymbol): Boolean {
        return isSubClassOf(subClass, superClass, allowIndirectSubtyping = false)
    }