/**
 * Options for encoding and decoding base32 strings.
 */
interface Base32Options {
    /** The base32 alphabet. Defaults to "base32" */
    alphabet?: Base32Alphabet;
}
/**
 * The base32 alphabets.
 */
type Base32Alphabet = "base32" | "base32hex" | "base32crockford";
/**
 * Calculate the output size needed to encode a given input size for
 * {@linkcode encodeIntoBase32}.
 *
 * @param rawSize The size of the input buffer.
 * @returns The size of the output buffer.
 *
 * @example Basic Usage
 * ```ts
 * import { assertEquals } from "@std/assert";
 * import { calcSizeBase32 } from "@std/encoding/unstable-base32";
 *
 * assertEquals(calcSizeBase32(1), 8);
 * ```
 */
declare function calcSizeBase32(rawSize: number): number;

export { type Base32Options as B, type Base32Alphabet as a, calcSizeBase32 as c };