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),

                }
            }
        }

    fun getResolvedToPsi(analysisSession: KtAnalysisSession): Collection<PsiElement> =
        with(analysisSession) {
            getResolvedToPsi(analysisSession, resolveToSymbols())
        }

    override val resolver get() = KtFirReferenceResolver
}

internal fun KtAnalysisSession.getPsiDeclarations(symbol: KtFirSymbol<*>): Collection<PsiElement> {

            return KtFe10DescFunctionLikeSymbolPointer(callableId, signature)
        }

        return KtFe10NeverRestoringSymbolPointer()
    }

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

                }
            }
        }
    }

    override fun getPackageSymbols(nameFilter: KtScopeNameFilter): Sequence<KtPackageSymbol> = withValidityAssertion {
        emptySequence()
    }

    override fun getConstructors(): Sequence<KtConstructorSymbol> = withValidityAssertion { emptySequence() }

    override fun getPossibleCallableNames(): Set<Name> = withValidityAssertion {

            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()

)

internal fun FirElement.getAllowedPsi() = when (val source = source) {
    null -> null
    is KtRealPsiSourceElement -> source.psi
    is KtFakeSourceElement -> if (source.kind in allowedFakeElementKinds) psi else null
    else -> null
}

fun FirElement.findPsi(): PsiElement? =
    getAllowedPsi()

fun FirBasedSymbol<*>.findPsi(): PsiElement? {