/**
 * Indent every line of the passed text.
 * @param subject - The text to indent.
 * @param depth - How often to apply the indenting.
 * @param prefix - The string to use as the indent.
 * @returns The indented text.
 */
export declare const indent: (subject: string, depth?: number, prefix?: string) => string;
/**
 * A fast and simple 53-bit string hash function with decent collision resistance.
 * Largely inspired by MurmurHash2/3, but with a focus on speed/simplicity.
 * License: Public domain. Attribution appreciated.
 * cyrb53 (c) 2018 bryc (github.com/bryc)
 * @param subject - The string to hash.
 * @param seed - An optional seed value.
 * @returns A hash of the string.
 */
export declare const hashCyrb53: (subject: string, seed?: number) => string;
/**
 * Encodes the provided string in Base64.
 * @param subject - The string to encode.
 * @returns The subject string encoded in Base64.
 */
export declare const base64Encode: (subject: string) => string;
/**
 * Decodes the provided Base64 encoded string.
 * @param subject - The string to decode.
 * @returns The decoded subject string.
 */
export declare const base64Decode: (subject: string) => string;