import { Key } from './memory';
export declare function encodeNum(num: number): string;
/**
 * @deprecated optimized by inlining into decode() function
 * - `N|+` -> +Infinity
 * - `N|-` -> -Infinity
 * - `N|0` -> NaN
 * - `n|xxx` -> number
 */
export declare function decodeNum(s: string): number;
export declare function decodeKey(key: Key): number;
export declare function encodeBool(b: boolean): string;
export declare function decodeBool(s: string): boolean;
export declare function encodeStr(str: string): string;
export declare function decodeStr(s: string): string;