when (this) {
        is SyntheticJavaPropertyDescriptor -> return KtSymbolOrigin.JAVA_SYNTHETIC_PROPERTY
        is SyntheticFieldDescriptor -> return KtSymbolOrigin.PROPERTY_BACKING_FIELD
        is SamConstructorDescriptor -> return KtSymbolOrigin.SAM_CONSTRUCTOR
        is JavaClassDescriptor, is JavaCallableMemberDescriptor -> return KtSymbolOrigin.JAVA

        }

    override val hasBackingField: Boolean
        get() = withValidityAssertion {
            val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)
            bindingContext[BindingContext.BACKING_FIELD_REQUIRED, descriptor] == true
        }

    override val isDelegatedProperty: Boolean
        get() = withValidityAssertion {
            psi.hasDelegate()
        }

            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.BACKING_FIELD_IN_INTERFACE) { firDiagnostic ->
        BackingFieldInInterfaceImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.EXTENSION_PROPERTY_WITH_BACKING_FIELD) { firDiagnostic ->
        ExtensionPropertyWithBackingFieldImpl(

    override val hasBackingField: Boolean
        get() = withValidityAssertion {
            val bindingContext = analysisContext.resolveSession.bindingContext
            return bindingContext[BindingContext.BACKING_FIELD_REQUIRED, descriptor] == true
        }

    override val isDelegatedProperty: Boolean
        get() = withValidityAssertion { descriptor.isDelegated }

                // For postfix case, the last argument is the operation call invoked on a synthetic local variable `<unary>`. This local
                // variable is initialized by calling the `get` function.
                val operationCall = lastArg as? FirFunctionCall ?: return null
                val operationPartiallyAppliedSymbol = operationCall.toPartiallyAppliedSymbol(arrayAccessExpression) ?: return null