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
            }

                KtDelegatedConstructorCall(
                    partiallyAppliedSymbol as KtPartiallyAppliedFunctionSymbol<KtConstructorSymbol>,
                    if (fir.isThis) KtDelegatedConstructorCall.Kind.THIS_CALL else KtDelegatedConstructorCall.Kind.SUPER_CALL,
                    fir.createArgumentMapping(partiallyAppliedSymbol.signature as KtFunctionLikeSignature<*>)
                )
            }
            is FirVariableAssignment -> {