/**
 * Converts a string to camel case.
 * @param {string} str - The string to convert.
 * @returns {string} The camel-cased string.
 * @example
 * ```javascript
 * toCamelCase('hello-world'); // 'helloWorld'
 * toCamelCase('hello_world'); // 'helloWorld'
 * ```
 */
declare function toCamelCase(str: string): string;
/**
 * Converts a string to title case.
 * @param {string} str - The string to convert.
 * @returns {string} The title-cased string.
 */
declare function toTitleCase(str: string): string;
/**
 * Converts a string to kebab case.
 * @param {string} str - The string to convert.
 * @returns {string} The kebab-cased string.
 */
declare function toKebabCase(str: string): string;
/**
 * Converts a string to upper case.
 * @param {string} str - The string to convert.
 * @returns {string} The uppercased string.
 */
declare function toUpperCase(str: string): string;
/**
 * Converts a string to lower case.
 * @param {string} str - The string to convert.
 * @returns {string} The lowercased string.
 */
declare function toLowerCase(str: string): string;
/**
 * Capitalizes the first letter of a string.
 * @param {string} str - The string to capitalize.
 * @returns {string} The capitalized string.
 */
declare function capitalize(str: string): string;
/**
 * Removes all whitespace from a string.
 * @param {string} str - The string to remove whitespace from.
 * @returns {string} The whitespace-free string.
 */
declare function removeWhitespace(str: string): string;
/**
 * Reverses a string.
 * @param {string} str - The string to reverse.
 * @returns {string} The reversed string.
 */
declare function reverseString(str: string): string;
/**
 * Truncates a string to a specified length.
 * @param {string} str - The string to truncate.
 * @param {number} length - The maximum length of the truncated string.
 * @param {string} suffix - Optional suffix to append to truncated string. Defaults to '...'.
 * @returns {string} The truncated string.
 */
declare function truncateString(str: string, length?: number, suffix?: string): string;
/**
 * Formats a string to be more human-readable.
 * @param {string} str - The string to format.
 * @returns {string} The formatted string.
 * @example
 * ```javascript
 * formatString('helloWorld'); // 'Hello World'
 * formatString('helloWorldAgain'); // 'Hello World Again'
 * ```
 *
 */
declare function formatString(str: string): string;
/**
 * @name randomString
 * @description Generates a random string of a specified length.
 * @param {number} length - The length of the random string to generate.
 * @returns {string} The random string.
 * @example ```javascript
 * randomString(10); // 'aBcDeFgHiJ'
 * randomString(5); // 'aBcDe'
 * ```
 */
declare const randomString: (length?: number) => string;
/**
 * @name lowerAndNoSpace
 * @description Converts a string to lowercase and removes all whitespace.
 * @param {string} str - The string to convert.
 * @returns {string} The converted string.
 * @example ```javascript
 * lowerAndNoSpace('Global Wizard Flow'); // 'globalwizardflow'
 * lowerAndNoSpace('Global Wizard Flow'); // 'globalwizardflow'
 * ```
 *  */
declare const lowerAndNoSpace: (str: string) => string;

export { capitalize, formatString, lowerAndNoSpace, randomString, removeWhitespace, reverseString, toCamelCase, toKebabCase, toLowerCase, toTitleCase, toUpperCase, truncateString };