override fun equals(other: Any?): Boolean {
        return this === other || other is KaContractBooleanValueParameterExpression && other.backingParameterSymbol == backingParameterSymbol
    }
}

public typealias KtContractBooleanValueParameterExpression = KaContractBooleanValueParameterExpression

/**
 * Represents boolean constant reference. The boolean constant can be passed to `booleanExpression` argument of

                appendProperty(value::argument, ::renderKaContractParameterValue)
                appendSimpleProperty(value::isNegated, endWithNewLine)
            }
            is KaContractBooleanValueParameterExpression -> {
                appendProperty(value::parameterSymbol, ::renderKaParameterSymbol, endWithNewLine)
            }
        }
    }

    override fun visitBooleanVariableReference(
        booleanVariableReference: BooleanVariableReference,
        data: Unit
    ): Any = visitVariableReference(booleanVariableReference, ::KaContractBooleanValueParameterExpression)

    private fun <T> visitVariableReference(
        variableReference: VariableReference,
        constructor: (KaParameterSymbol) -> T

        booleanValueParameterReference: ConeBooleanValueParameterReference,
        data: Unit
    ): Any =
        visitValueParameterReference(booleanValueParameterReference, ::KaContractBooleanValueParameterExpression)

    private fun <T> visitValueParameterReference(
        valueParameterReference: ConeValueParameterReference,
        constructor: (KaParameterSymbol) -> T
    ): T = constructor(