override fun createPointer(): KtSymbolPointer<KtReceiverParameterSymbol> = withValidityAssertion {
        KtPsiBasedSymbolPointer.createForSymbolFromSource<KtReceiverParameterSymbol>(this) ?: KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)
    override fun hashCode(): Int = calculateHashCode()

        get() = withValidityAssertion { KtSymbolKind.LOCAL }

    override fun createPointer(): KtSymbolPointer<KtLocalVariableSymbol> = withValidityAssertion {
        KtPsiBasedSymbolPointer.createForSymbolFromSource<KtLocalVariableSymbol>(this) ?: KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)
    override fun hashCode(): Int = calculateHashCode()

    }

    override fun getWhenMissingCases(whenExpression: KtWhenExpression): List<WhenMissingCase>  {
        val bindingContext = analysisContext.analyze(whenExpression)
        return WhenChecker.getMissingCases(whenExpression, bindingContext)
    }

    override fun isUsedAsExpression(expression: KtExpression): Boolean {

        get() = withValidityAssertion { descriptor.isReified }

    override fun createPointer(): KtSymbolPointer<KtTypeParameterSymbol> = withValidityAssertion {
        KtPsiBasedSymbolPointer.createForSymbolFromSource<KtTypeParameterSymbol>(this) ?: KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)
    override fun hashCode(): Int = calculateHashCode()

    override val valueParameters: List<KtVariableLikeSignature<KtValueParameterSymbol>> get() = withValidityAssertion { backingValueParameters }

    override fun substitute(substitutor: KtSubstitutor): KtFunctionLikeSignature<S> = withValidityAssertion {
        KtFe10FunctionLikeSignature(
            symbol,
            substitutor.substitute(returnType),

            return KtFe10DescFunctionLikeSymbolPointer(callableId, signature)
        }

        return KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)
    override fun hashCode(): Int = calculateHashCode()

            return KtFe10DescEnumEntrySymbolPointer(enumClassId, descriptor.name)
        }

        return KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)
    override fun hashCode(): Int = calculateHashCode()

        if (classId != null) {
            return KtFe10DescSamConstructorSymbolPointer(classId)
        }

        return KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)
    override fun hashCode(): Int = calculateHashCode()

    override fun createPointer(): KtSymbolPointer<KtValueParameterSymbol> = withValidityAssertion {
        KtPsiBasedSymbolPointer.createForSymbolFromPsi<KtPropertySetterSymbol>(accessorPsi)
            ?.let(::KtFe10PsiDefaultSetterParameterSymbolPointer)
            ?: KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)

        }


        private fun DeclarationDescriptor.isDeclaredInOwner() = when (this) {
            is CallableDescriptor -> dispatchReceiverParameter?.containingDeclaration == owner
            else -> containingDeclaration == owner
        }
    }

    override fun getEmptyScope(): KtScope {
        return KtEmptyScope(token)
    }

    override fun getFileScope(fileSymbol: KtFileSymbol): KtScope {