delegatedTypeRef?.source?.kind == KtFakeSourceElementKind.ArrayTypeFromVarargParameter -> null

                // but the array's underlying type is present with a fake source, and needs to be handled
                source?.kind == KtFakeSourceElementKind.ArrayTypeFromVarargParameter -> psi

                else -> realPsi
            }

                KaDelegatedConstructorCall(
                    partiallyAppliedSymbol as KaPartiallyAppliedFunctionSymbol<KaConstructorSymbol>,
                    if (fir.isThis) KaDelegatedConstructorCall.Kind.THIS_CALL else KaDelegatedConstructorCall.Kind.SUPER_CALL,
                    fir.createArgumentMapping(partiallyAppliedSymbol.signature as KaFunctionLikeSignature<*>),
                    fir.toTypeArgumentsMapping(partiallyAppliedSymbol)