/**
 * A strategy for posting messages to Discord.
 */
export class DiscordStrategy {
    /**
     * Creates a new instance.
     * @param {DiscordOptions} options Options for the instance.
     * @throws {Error} When options are missing.
     */
    constructor(options: DiscordOptions);
    /**
     * Maximum length of a Discord message in characters.
     * @type {number}
     * @const
     */
    MAX_MESSAGE_LENGTH: number;
    /**
     * The ID of the strategy.
     * @type {string}
     * @readonly
     */
    readonly id: string;
    /**
     * The display name of the strategy.
     * @type {string}
     * @readonly
     */
    readonly name: string;
    /**
     * Calculates the length of a message according to Discord's algorithm.
     * All characters are counted as is.
     * @param {string} message The message to calculate the length of.
     * @returns {number} The calculated length of the message.
     */
    calculateMessageLength(message: string): number;
    /**
     * Posts a message to Discord.
     * @param {string} message The message to post.
     * @param {PostOptions} [postOptions] Additional options for the post.
     * @returns {Promise<DiscordMessageResponse>} A promise that resolves with the message data.
     * @throws {Error} When the message fails to post.
     */
    post(message: string, postOptions?: PostOptions): Promise<DiscordMessageResponse>;
    #private;
}
export type PostOptions = import("../types.js").PostOptions;
export type DiscordOptions = {
    /**
     * The Discord bot token.
     */
    botToken: string;
    /**
     * The Discord channel ID to post to.
     */
    channelId: string;
};
export type DiscordMessageResponse = {
    /**
     * The ID of the created message.
     */
    id: string;
    /**
     * The ID of the channel the message was posted to.
     */
    channel_id: string;
    /**
     * The content of the message.
     */
    content: string;
};
export type DiscordErrorResponse = {
    /**
     * The error code.
     */
    code: number;
    /**
     * The error message.
     */
    message: string;
};
export type DiscordPayload = {
    /**
     * The text content of the message
     */
    content: string;
    /**
     * Array of embedded messages
     */
    embeds?: DiscordEmbed[] | undefined;
    /**
     * Array of file attachments
     */
    attachments?: DiscordAttachment[] | undefined;
};
export type DiscordEmbedImage = {
    /**
     * URL of the image
     */
    url: string;
};
export type DiscordEmbed = {
    /**
     * The description of the embed
     */
    description?: string | undefined;
    /**
     * The main image
     */
    image?: DiscordEmbedImage | undefined;
};
export type DiscordAttachment = {
    /**
     * The unique identifier for the attachment
     */
    id: number;
    /**
     * A description of the attachment
     */
    description: string;
    /**
     * The filename of the attachment
     */
    filename: string;
};