import { Request } from './request/Request';
import { ITelegramParams, ITelegramResult, TTelegramChatId } from './interfaces';
export declare class TelegramRequest {
    readonly API_ENDPOINT = "https://api.telegram.org/bot";
    protected _request: Request;
    protected _error: string | null | undefined;
    token: string | null;
    constructor();
    initToken(token: string | null): void;
    protected _getUrl(): string;
    protected _initPostFile(type: string, file: string): void;
    call(method: string, userId?: TTelegramChatId | null): Promise<ITelegramResult | null>;
    sendMessage(chatId: TTelegramChatId, message: string, params?: ITelegramParams | null): Promise<ITelegramResult | null>;
    sendPoll(chatId: TTelegramChatId, question: string, options: string[], params?: ITelegramParams | null): Promise<ITelegramResult | null> | null;
    sendPhoto(userId: TTelegramChatId, file: string, desc?: string | null, params?: ITelegramParams | null): Promise<ITelegramResult | null>;
    sendDocument(userId: TTelegramChatId, file: string, params?: ITelegramParams | null): Promise<ITelegramResult | null>;
    sendAudio(userId: TTelegramChatId, file: string, params?: ITelegramParams | null): Promise<ITelegramResult | null>;
    sendVideo(userId: TTelegramChatId, file: string, params?: ITelegramParams | null): Promise<ITelegramResult | null>;
    protected _log(error?: string): void;
}