/**
 * Converts a string to URL-compatible "kebab case": converts to lowercase, replaces spaces with dashes,
 * and removes non-letter/number characters.
 *
 * For example, "I'm some awesome text!" becomes "im-some-awesome-text".
 *
 * @param str Text to convert
 */
export declare function slugify(str: string): string;
/**
 * Converts a string to camel case.
 * @param str Text to convert
 */
export declare function camelize(str: string): string;
/**
 * Converts a string to Pascal case.
 * @param str Text to convert
 */
export declare function pascalize(str: string): string;
/**
 * Converts a string to Title case.
 * @param str Text to convert
 */
export declare function titleCase(str: string): string;