export interface ILRUCache {
    /**
     * Get the value from the cache
     */
    get(key: string): number[] | undefined;
    /**
     * Set the value in the cache
     */
    set(key: string, value: number[]): void;
}
/** A simple O(1) LRU cache. */
export declare class LRUCache<T> {
    readonly size: number;
    private readonly nodes;
    private head?;
    private tail?;
    constructor(size: number);
    get(key: string): T | undefined;
    set(key: string, value: T): void;
    private moveToHead;
    private addNode;
    private removeNode;
}