/**
 * @typedef {Object} DiscordWebhookOptions
 * @property {string} webhookUrl The Discord webhook URL.
 */
/**
 * @typedef {Object} DiscordWebhookResponse
 * @property {string} id The ID of the created message.
 * @property {string} channel_id The ID of the channel the message was posted to.
 * @property {string} content The content of the message.
 * @property {string} timestamp The timestamp of the message.
 * @property {string} webhook_id The ID of the webhook that posted the message.
 * @property {number} type The type of the message.
 * @property {string} [guild_id] The ID of the guild the message was posted to (optional).
 */
/**
 * @typedef {Object} DiscordWebhookErrorResponse
 * @property {number} code The error code.
 * @property {string} message The error message.
 */
/** @typedef {import("../types.js").PostOptions} PostOptions */
/**
 * @typedef {Object} DiscordPayload
 * @property {string} content The text content of the message
 * @property {DiscordEmbed[]} [embeds] Array of embedded messages
 * @property {DiscordMessageReference} [message_reference] Reference to another message
 * @property {DiscordAttachment[]} [attachments] Array of file attachments
 */
/**
 * @typedef {Object} DiscordEmbedImage
 * @property {string} url URL of the image
 */
/**
 * @typedef {Object} DiscordEmbed
 * @property {string} [title] The title of the embed
 * @property {string} [description] The description of the embed
 * @property {DiscordEmbedImage} [thumbnail] The thumbnail image
 * @property {DiscordEmbedImage} [image] The main image
 */
/**
 * @typedef {Object} DiscordMessageReference
 * @property {string} message_id The ID of the message being referenced
 */
/**
 * @typedef {Object} DiscordAttachment
 * @property {number} id The unique identifier for the attachment
 * @property {string} description A description of the attachment
 * @property {string} filename The filename of the attachment
 */
/**
 * A strategy for posting messages to Discord via webhooks.
 */
export class DiscordWebhookStrategy {
    /**
     * Creates a new instance.
     * @param {DiscordWebhookOptions} options Options for the instance.
     * @throws {Error} When options are missing.
     */
    constructor(options: DiscordWebhookOptions);
    /**
     * Maximum length of a Discord webhook 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<DiscordWebhookResponse>} A promise that resolves with the message data.
     * @throws {Error} When the message fails to post.
     */
    post(message: string, postOptions?: PostOptions): Promise<DiscordWebhookResponse>;
    #private;
}
export type DiscordWebhookOptions = {
    /**
     * The Discord webhook URL.
     */
    webhookUrl: string;
};
export type DiscordWebhookResponse = {
    /**
     * 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;
    /**
     * The timestamp of the message.
     */
    timestamp: string;
    /**
     * The ID of the webhook that posted the message.
     */
    webhook_id: string;
    /**
     * The type of the message.
     */
    type: number;
    /**
     * The ID of the guild the message was posted to (optional).
     */
    guild_id?: string | undefined;
};
export type DiscordWebhookErrorResponse = {
    /**
     * The error code.
     */
    code: number;
    /**
     * The error message.
     */
    message: string;
};
export type PostOptions = import("../types.js").PostOptions;
export type DiscordPayload = {
    /**
     * The text content of the message
     */
    content: string;
    /**
     * Array of embedded messages
     */
    embeds?: DiscordEmbed[] | undefined;
    /**
     * Reference to another message
     */
    message_reference?: DiscordMessageReference | undefined;
    /**
     * Array of file attachments
     */
    attachments?: DiscordAttachment[] | undefined;
};
export type DiscordEmbedImage = {
    /**
     * URL of the image
     */
    url: string;
};
export type DiscordEmbed = {
    /**
     * The title of the embed
     */
    title?: string | undefined;
    /**
     * The description of the embed
     */
    description?: string | undefined;
    /**
     * The thumbnail image
     */
    thumbnail?: DiscordEmbedImage | undefined;
    /**
     * The main image
     */
    image?: DiscordEmbedImage | undefined;
};
export type DiscordMessageReference = {
    /**
     * The ID of the message being referenced
     */
    message_id: string;
};
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;
};