export declare const utils: {
    escapeRegExChars(value: string): string;
    createNode(containerClass: string): HTMLDivElement;
};
export declare const keys: {
    readonly ESC: 27;
    readonly TAB: 9;
    readonly RETURN: 13;
    readonly LEFT: 37;
    readonly UP: 38;
    readonly RIGHT: 39;
    readonly DOWN: 40;
};