*/
    private val FirResolvedTypeRef.correspondingTypePsi: KtUserType?
        get() {
            val sourcePsi = when {
                // array type for vararg parameters is not present in the code, so no need to handle it
                delegatedTypeRef?.source?.kind == KtFakeSourceElementKind.ArrayTypeFromVarargParameter -> null

                // but the array's underlying type is present with a fake source, and needs to be handled

        // If a function call is resolved to an implicit invoke call, the FirImplicitInvokeCall will have the `invoke()` function as the
        // callee and the variable as the explicit receiver. To correctly get all candidates, we need to get the original function
        // call's explicit receiver (if there is any) and callee (i.e., the variable).
        val unwrappedExplicitReceiver = explicitReceiver?.unwrapSmartcastExpression()