) : JavaElementPsiSource<PSI>() {

    // is used only for the purposes of equals/hashCode to avoid underlying PCE
    private val originalPsi: PSI = psi

    override val psi: PSI
        get() {
            return pointer.element
                ?: error("Cannot restore a PsiElement from $pointer")
        }

    override fun equals(other: Any?): Boolean {

    override fun hashCode(): Int = Objects.hashCode(backingArgument, backingType, backingIsNegated)
    override fun equals(other: Any?): Boolean {
        return this === other ||
                other is KaContractIsInstancePredicateExpression &&
                other.backingArgument == backingArgument &&

        KaFe10VariableLikeSignature(
            symbol,
            substitutor.substitute(returnType),
            receiverType?.let { substitutor.substitute(it) },
        )
    }

    override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (javaClass != other?.javaClass) return false

        other as KaFe10VariableLikeSignature<*>

            } else {
                KaSymbolOrigin.LIBRARY
            }
        }

    override fun hashCode(): Int {
        return packageName.hashCode()
    }

    override fun equals(other: Any?): Boolean {
        return packageName == (other as? KaFe10PackageSymbol)?.fqName
    }

    override val abbreviatedType: KaUsualClassType?
        get() = withValidityAssertion { null }

    override fun equals(other: Any?) = typeEquals(other)
    override fun hashCode() = typeHashcode()
    override fun toString(): String = coneType.renderForDebugging()

        KaPsiBasedSymbolPointer.createForSymbolFromSource<KaReceiverParameterSymbol>(this) ?: KaFe10NeverRestoringSymbolPointer()
    }

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

     *
     * @see KaSubstitutor.substitute
     */
    public abstract fun substitute(substitutor: KaSubstitutor): KaCallableSignature<S>

    abstract override fun equals(other: Any?): Boolean
    abstract override fun hashCode(): Int
}

        KaPsiBasedSymbolPointer.createForSymbolFromSource<KaAnonymousObjectSymbol>(this) ?: KaFe10NeverRestoringSymbolPointer()
    }

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

        KaPsiBasedSymbolPointer.createForSymbolFromSource<KaAnonymousFunctionSymbol>(this) ?: KaFe10NeverRestoringSymbolPointer()
    }

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

                return KaFe10DescSyntheticFieldSymbolPointer(accessorPointer)
            }
        }

        return KaFe10NeverRestoringSymbolPointer()
    }

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