import { IButton, IReplyMarkup, KeyboardTypes } from '../..';
export declare class Keyboard {
    readonly keyboardType: KeyboardTypes;
    private placeholder?;
    private oneTimeKeyboard;
    unresolvedButtons: IButton[];
    rows: IButton[][];
    /**
     * Creates a keyboard for message
     * @param keyboardType Type of keyboard {@link KeyboardTypes}
     * @param placeholder Placeholder for input "Type message..." (only for under_the_chat keyboard)
     * */
    constructor(keyboardType?: KeyboardTypes, placeholder?: string);
    private checkButton;
    /**
     * Creates a button with text (only for under_the_chat keyboard)
     * @param text Text of the button
     * @param hidden If true hides button
     * */
    text(text: string, hidden?: boolean): this;
    /**
     * Creates a button (only for under_the_message keyboard)
     * @param text Text of the button
     * @param clickData String with some click data
     * @param hidden If true hides button
     * */
    btn(text: string, clickData: string, hidden?: boolean): this;
    /**
     * Creates a url button (only for under_the_message keyboard)
     * @param text Text of the button
     * @param url Button click link
     * @param hidden If true hides button
     * */
    url(text: string, url: string, hidden?: boolean): this;
    /**
     * Creates a button that request contact (only for under_the_chat keyboard)
     * @param text Text of the button
     * @param hidden If true hides button
     * */
    contact(text: string, hidden?: boolean): this;
    /**
     * Creates a button that request location (only for under_the_chat keyboard)
     * @param text Text of the button
     * @param hidden If true hides button
     * */
    location(text: string, hidden?: boolean): this;
    /**
     * Creates a button that switch inline query (only for under_the_message keyboard)
     * @param text Text of the button
     * @param switchQuery Switch inline query string data
     * @param hidden If true hides button
     * */
    switch(text: string, switchQuery: string, hidden?: boolean): this;
    /**
     * Creates a pay button (only for under_the_message keyboard)
     * @param text Text of the button
     * */
    pay(text: string): this;
    /**
     * Creates a web app button
     * @param text Text of the button
     * @param url Link to web app
     * @param hidden If true hides button
     * */
    webApp(text: string, url: string, hidden?: boolean): this;
    /**
     * Creates a row with newly added buttons
     * @param btnsPerLine If you pass a number to it, your newly added buttons will be arranged in multiple rows with the number of buttons you specify in one row
     * @param hidden If true hides row
     * */
    row(btnsPerLine?: number | null, hidden?: boolean): this;
    /**
     * Saves rows as layout
     * @param layoutName Layout name
     * @deprecated To use keyboard layouts, pass Keyboard class as argument to .use method
     * */
    save(layoutName: string): this;
    /**
     * Extracts rows from the layout
     * @param layout Layout you want to add to the current keyboard (pass instance of Keyboard class)
     * */
    use(layout: any): this;
    setPlaceholder(newPlaceholder: string): this;
    oneTime(): this;
    buildMarkup(): IReplyMarkup;
}