import { SlidingTaskMap } from 'promise-based-task';
import { BaseCache } from './base.cjs';
import { Serializable } from '../internals/serializable.cjs';
import '../internals/types.cjs';
import '../internals/helpers/guards.cjs';

/**
 * Copyright 2025 © BeeAI a Series of LF Projects, LLC
 * SPDX-License-Identifier: Apache-2.0
 */

interface SlidingCacheInput {
    size: number;
    ttl?: number;
}
declare class SlidingCacheEntry<T> extends Serializable {
    protected readonly value: T;
    constructor(value: T);
    destructor(): void;
    unwrap(): T;
    createSnapshot(): {
        value: T;
    };
    loadSnapshot(snapshot: ReturnType<typeof this.createSnapshot>): void;
}
declare class SlidingCache<T> extends BaseCache<T> {
    protected readonly provider: SlidingTaskMap<string, SlidingCacheEntry<T>>;
    constructor(input: SlidingCacheInput);
    get(key: string): Promise<T | undefined>;
    has(key: string): Promise<boolean>;
    clear(): Promise<void>;
    delete(key: string): Promise<boolean>;
    set(key: string, value: T): Promise<void>;
    size(): Promise<number>;
    createSnapshot(): {
        enabled: boolean;
        provider: SlidingTaskMap<string, SlidingCacheEntry<T>>;
    };
    loadSnapshot(snapshot: ReturnType<typeof this.createSnapshot>): void;
}

export { SlidingCache, type SlidingCacheInput };