export declare class QueueCache {
    private name;
    protected queue: string[];
    timer: number;
    cacheByteLength: number;
    constructor(name?: string);
    get buffer(): string[];
    set buffer(data: string[]);
    push(item: string): void;
    pop(): string | undefined;
    front(): string | undefined;
    getFrontList(count?: number): string[];
    removeFrontList(count?: number): string[];
    clear(): void;
}