// Copyright 2025 Cloudbase Solutions SRL
//
//    Licensed under the Apache License, Version 2.0 (the "License"); you may
//    not use this file except in compliance with the License. You may obtain
//    a copy of the License at
//
//         http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
//    License for the specific language governing permissions and limitations
//    under the License.

package locking

import "time"

type Locker interface {
	TryLock(key, identifier string) bool
	Lock(key, identifier string)
	LockedBy(key string) (string, bool)
	Unlock(key string, remove bool)
	Delete(key string)
}

type InstanceDeleteBackoff interface {
	ShouldProcess(key string) (bool, time.Time)
	Delete(key string)
	RecordFailure(key string)
}