/**
 * @import { Capitalize } from '#utilities'
 */
/**
 * Removes diacritics from a string.
 *
 * @param { string } str
 * @returns { string } `str` without diacritics.
 *
 * @example
 * ```js
 * deburr('México') // 'Mexico'
 * ```
 */
export function deburr(str: string): string;
/**
 * Trims, evenly spaces, removes diacritics and lower case a string.
 *
 * @param { string } str
 * @returns { string } Lower case, diacritic free, evenly spaced version of `str`.
 *
 * @example
 * ```js
 * prune(' Verdad  y   Reconciliación   ') // 'verdad y reconciliacion'
 * ```
 */
export function prune(str: string): string;
/**
 * Formats a number string by adding a `separator` string between thousands groups of the number's integer part.
 *
 * @param { string | number } num
 * @param { string } [separator = ','] - String to place between thousands groups. Defaults to `','`.
 * @returns { string } Thousands separated number string.
 *
 * @example
 * ```js
 * separateThousands(123456789) // '123,456,789'
 * ```
 */
export function separateThousands(num: string | number, separator?: string): string;
/**
 * Trims a string and replaces consecutive white space characters (`/\s+/`) with a single space character (`" "`) or a custom separator string.
 *
 * @param { string } str
 * @param { string | ((match: string, ...args: any[]) => string) } [separator = " "] - String to replace white space characters with. Defaults to `" "`.
 * @returns { string } Evenly spaced (separated) string.
 *
 * @example
 * ```js
 * spaceEvenly('  Guilty    Spark     ') // 'Guilty Spark'
 * spaceEvenly(' 123   456  789  ', '-') // '123-456-789'
 * ```
 */
export function spaceEvenly(str: string, separator?: string | ((match: string, ...args: any[]) => string)): string;
/**
 * Capitalizes first character of a string.
 *
 * @template { string } S
 * @overload
 * @param { S } str
 * @returns { Capitalize<S> } A copy of `str` with the first character capitalized.
 *
 * @param { string } str
 */
export function ucFirst<S extends string>(str: S): Capitalize<S>;
import type { Capitalize } from '#utilities';
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