/**
 * @typedef {Object} TwitterOptions
 * @property {string} accessTokenKey The access token for the Twitter app.
 * @property {string} accessTokenSecret The access token secret for the Twitter app.
 * @property {string} apiConsumerKey The app (consumer) key for the Twitter app.
 * @property {string} apiConsumerSecret The app (consumer) secret for the Twitter app.
 *
 * @typedef {Object} TwitterPostResponse
 * @property {Object} data The data of the posted tweet.
 * @property {string} data.id The ID of the tweet.
 * @property {string} data.text The text content of the tweet.
 * @property {string[]} data.edit_history_tweet_ids The edit history tweet IDs.
 */
/** @typedef {[string]|[string,string]|[string,string,string]|[string,string,string,string]} TwitterMediaIdArray */
/** @typedef {import("../types.js").PostOptions} PostOptions */
/**
 * A strategy for posting to Twitter.
 */
export class TwitterStrategy {
    /**
     * Creates a new instance.
     * @param {TwitterOptions} options Options for the instance.
     * @throws {Error} When options are missing.
     */
    constructor(options: TwitterOptions);
    /**
     * The ID of the strategy.
     * @type {string}
     * @readonly
     */
    readonly id: string;
    /**
     * The display name of the strategy.
     * @type {string}
     * @readonly
     */
    readonly name: string;
    /**
     * Posts a message to Twitter.
     * @param {string} message The message to tweet.
     * @param {PostOptions} [postOptions] Additional options for the post.
     * @returns {Promise<object>} A promise that resolves with the tweet data.
     */
    post(message: string, postOptions?: PostOptions): Promise<object>;
    /**
     * Extracts a URL from a Twitter API response.
     * @param {TwitterPostResponse} response The response from the Twitter API post request.
     * @returns {string} The URL for the tweet.
     */
    getUrlFromResponse(response: TwitterPostResponse): string;
    /**
     * Maximum length of a tweet in characters.
     * @type {number}
     * @const
     */
    MAX_MESSAGE_LENGTH: number;
    /**
     * Calculates the length of a message according to Twitter's algorithm.
     * URLs are counted as 23 characters for http:// or https:// URLs regardless of their actual length.
     * @param {string} message The message to calculate the length of.
     * @returns {number} The calculated length of the message.
     */
    calculateMessageLength(message: string): number;
    #private;
}
export type TwitterOptions = {
    /**
     * The access token for the Twitter app.
     */
    accessTokenKey: string;
    /**
     * The access token secret for the Twitter app.
     */
    accessTokenSecret: string;
    /**
     * The app (consumer) key for the Twitter app.
     */
    apiConsumerKey: string;
    /**
     * The app (consumer) secret for the Twitter app.
     */
    apiConsumerSecret: string;
};
export type TwitterPostResponse = {
    /**
     * The data of the posted tweet.
     */
    data: {
        id: string;
        text: string;
        edit_history_tweet_ids: string[];
    };
};
export type TwitterMediaIdArray = [string] | [string, string] | [string, string, string] | [string, string, string, string];
export type PostOptions = import("../types.js").PostOptions;