import * as React from "react";
import { IOWidget, Options, Fun } from "../shared/widget";
export interface StringOptions<o> extends Options {
    readonly_element?: "span" | "p" | "nothing" | "input";
    type?: "email" | "text" | "password";
    size?: number;
    focus_to_output?: (_: React.FocusEvent<HTMLElement>) => o | null;
    blur_to_output?: (_: React.FocusEvent<HTMLElement>) => o | null;
    keydown_to_output?: (_: React.KeyboardEvent<HTMLInputElement>) => o | null;
    on_click?: (_: React.MouseEvent<HTMLElement>) => o | null;
}
export interface StringProps<o> {
    options?: StringOptions<o>;
    input: string;
    string_to_output: Fun<string, o>;
    on_done: (output: o) => void;
}
export interface StringState<o> {
}
export declare class String<o> extends React.Component<StringProps<o>, StringState<o>> {
    constructor(props: StringProps<o>, context: any);
    render(): JSX.Element;
}
export declare let string_full: <o>(string_to_output: Fun<string, o>, options?: StringOptions<o> | undefined) => IOWidget<string, o>;
export declare let string: (options?: StringOptions<string> | undefined) => IOWidget<string, string>;