KtPsiBasedSymbolPointer.createForSymbolFromSource<KtReceiverParameterSymbol>(this) ?: KtFe10NeverRestoringSymbolPointer()
    }

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

                    valueParameter.receiverType?.let { substitutor.substitute(it) }
                )
            }
        )
    }

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

        other as KtFe10FunctionLikeSignature<*>

        KtFe10VariableLikeSignature(
            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 KtFe10VariableLikeSignature<*>

    }
    add(FirErrors.FORBIDDEN_IDENTITY_EQUALS) { firDiagnostic ->
        ForbiddenIdentityEqualsImpl(
            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.a),
            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.b),
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.FORBIDDEN_IDENTITY_EQUALS_WARNING) { firDiagnostic ->

import org.jetbrains.kotlin.toKtPsiSourceElement
import org.jetbrains.kotlin.types.Variance
import org.jetbrains.kotlin.util.OperatorNameConventions
import org.jetbrains.kotlin.util.OperatorNameConventions.EQUALS
import org.jetbrains.kotlin.utils.addIfNotNull
import org.jetbrains.kotlin.utils.addToStdlib.safeAs
import org.jetbrains.kotlin.utils.exceptions.checkWithAttachment
import org.jetbrains.kotlin.utils.exceptions.errorWithAttachment

            if (unwrappedPsi is KtBinaryExpression &&
                (unwrappedPsi.operationToken in OperatorConventions.COMPARISON_OPERATIONS ||
                        unwrappedPsi.operationToken in OperatorConventions.EQUALS_OPERATIONS)
            ) {
                // TODO: Handle compound assignment
                handleAsFunctionCall(this, unwrappedPsi)?.toKtCallCandidateInfos()?.let { return@with it }
            }