// WITH_STDLIB
// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
import kotlin.contracts.ExperimentalContracts
import kotlin.contracts.InvocationKind
import kotlin.contracts.contract

@OptIn(ExperimentalContracts::class)
fun logicalNotContract(value: Boolean) {
    contr<caret>act {
        returns() implies !value
    }
    if (value) {
        throw IllegalStateException()
    }
}