export interface LRUEntry<K, V> {
    readonly key: K;
    readonly value: V;
    readonly byteSize: number;
    lastAccessed: number;
}
export declare class LRUCache<K, V> {
    private cache;
    private totalBytes;
    private readonly maxBytes;
    private readonly maxEntries;
    constructor(maxBytes?: number, maxEntries?: number);
    get(key: K): V | null;
    set(key: K, value: V, byteSize: number): void;
    has(key: K): boolean;
    delete(key: K): V | null;
    clear(): void;
    get size(): number;
    get bytes(): number;
    get capacity(): number;
    /**
     * Shrink the cache to a target byte size by evicting LRU entries.
     */
    shrinkTo(targetBytes: number): void;
}