/**
 * `butt` > `b*tt`
 *
 * @param {string} value
 * @param {string} [character='*']
 * @returns {string}
 */
export function vowel(value: string, character?: string | undefined): string
/**
 * `butt` > `b**t`
 *
 * @param {string} value
 * @param {string} [character='*']
 * @returns {string}
 */
export function inner(value: string, character?: string | undefined): string
/**
 * `butt` > `@#$%`
 *
 * @param {number|string} value
 * @param {string} [pattern='@#$%!&?']
 * @returns {string}
 */
export function grawlix(
  value: number | string,
  pattern?: string | undefined
): string