import type * as Interfaces from '@puregram/api';
import type { ButtonStyleParams } from './types.js';
/** keyboard builder */
export declare class KeyboardBuilder {
    private rows;
    private currentRow;
    private isOneTime;
    private isResized;
    private isSelective;
    private isPersistent;
    private placeholder?;
    /** whether the builder has no buttons (committed rows + current row) */
    get isEmpty(): boolean;
    /** number of rows that will be emitted (committed rows + current row if non-empty) */
    get rowCount(): number;
    /** total number of buttons across all rows including the in-progress row */
    get length(): number;
    /** construct a `KeyboardBuilder` from an existing `ReplyKeyboardMarkup` JSON */
    static from(markup: Interfaces.TelegramReplyKeyboardMarkup): KeyboardBuilder;
    /**
     * generate text button
     * if none of the optional fields are used,
     * it will be sent as a message when the button is pressed
     */
    textButton(text: string, params?: ButtonStyleParams): this;
    /**
     * if specified, pressing the button will open a list of suitable users
     * tapping on any user will send their identifier to the bot in a "user_shared"
     * service message. Available in private chats only
     */
    requestUsersButton(text: string, params: Interfaces.TelegramKeyboardButtonRequestUsers & ButtonStyleParams): this;
    /**
     * if specified, pressing the button will open a list of suitable chats
     * tapping on a chat will send its identifier to the bot in a "chat_shared"
     * service message. Available in private chats only
     */
    requestChatButton(text: string, params: Interfaces.TelegramKeyboardButtonRequestChat & ButtonStyleParams): this;
    /**
     * the user's current location will be sent when the button is pressed
     *
     * available in private chats only
     */
    requestLocationButton(text: string, params?: ButtonStyleParams): this;
    /**
     * the user will be asked to create a poll and send it to the bot
     * when the button is pressed
     *
     * available in private chats only
     */
    requestPollButton(text: string, params?: (Interfaces.TelegramPoll['type'] | {
        type?: Interfaces.TelegramPoll['type'];
    } & ButtonStyleParams)): this;
    /**
     * the user's phone number will be sent as a contact when
     * the button is pressed
     *
     * available in private chats only
     */
    requestContactButton(text: string, params?: ButtonStyleParams): this;
    /**
     * the described Web App will be launched when the button is pressed
     * the Web App will be able to send a `web_app_data` service message
     *
     * available in private chats only
     */
    webAppButton(text: string, url: string, params?: ButtonStyleParams): this;
    /** save current row of buttons in the general rows */
    row(): this;
    /**
     * requests clients to hide the keyboard as soon as it's been used. The
     * keyboard will still be available, but clients will automatically display
     * the usual letter-keyboard in the chat — the user can press a special
     * button in the input field to see the custom keyboard again. Defaults to
     * `false`
     */
    oneTime(oneTime?: boolean): this;
    /**
     * requests clients to resize the keyboard vertically for optimal fit (e.g.,
     * make the keyboard smaller if there are just two rows of buttons). Defaults
     * to `false`, in which case the custom keyboard is always of the same height
     * as the app's standard keyboard
     */
    resize(resize?: boolean): this;
    /** use this parameter if you want to show the keyboard to specific users only */
    selective(selective?: boolean): this;
    /**
     * requests clients to always show the keyboard when the regular keyboard is
     * hidden. Defaults to `false`, in which case the custom keyboard can be
     * hidden and opened with a keyboard icon
     */
    persistent(persistent?: boolean): this;
    /** the placeholder to be shown in the input field when the keyboard is active */
    setPlaceholder(placeholder: string): this;
    /** conditionally apply a chain of mutations to the builder */
    if(condition: boolean, then: (builder: this) => void, otherwise?: (builder: this) => void): this;
    /** clone current builder to new instance */
    clone(): KeyboardBuilder;
    /** returns JSON which is compatible with Telegram's `ReplyKeyboardMarkup` interface */
    toJSON(): Interfaces.TelegramReplyKeyboardMarkup;
    toString(): string;
    private addButton;
    private addWideButton;
}
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