type PlaceholderType = "adj" | "noun" | "firstname" | "lastname" | "number" | "title" | "prefix";
interface Placeholder {
    type: PlaceholderType;
    start: number;
    length: number;
    style: "capitalize" | "lowercase" | "uppercase";
    data?: any;
}
/**
 * Generates a random username based on the given template.
 *
 * The template is a string that can contain the placeholders:
 * - `{{adj}}` - A random adjective.
 * - `{{noun}}` - A random noun.
 * - `{{firstname:gender}}` - A random first name. gender can be `m`, `f` or `all`.
 * - `{{lastname}}` - A random last name.
 * - `{{number:min:max}}` - A random number between `min` and `max`.
 * - `{{title:gender}}` - A random title. gender can be `m`, `f` or `all`.
 * - `{{prefix}}` - A random prefix.
 *
 * An example template could be `{{adj}}{{noun}}{{number:100:999}}`.
 *
 * This template would generate a username like `bluecat123`.
 *
 * Additionally any placeholder can be capitalized by adding a `^` before the placeholder name,
 * or made uppercase by adding `^^` before the placeholder name.
 *
 * @param template The template to use for generating the username.
 * @returns The generated username.
 */
declare function generateUsername(template: string): string;
export { PlaceholderType, Placeholder, generateUsername };