/**
 * @example
 *     {
 *         channel_id: "channel_id",
 *         content: "content"
 *     }
 */
export interface CreateMessagesRequest {
    /** A list of file attachments to include with the message, such as images or videos. */
    attachments?: CreateMessagesRequest.Attachments.Item[] | null;
    /** Automatically detect URLs in the message and generate link previews. */
    auto_detect_links?: boolean | null;
    /** The unique identifier of the channel or experience to send the message in. For example, 'exp_xxxxx' or 'feed_xxxxx'. */
    channel_id: string;
    /** The body of the message in Markdown format. For example, 'Hello **world**'. */
    content: string;
    /** A poll to attach to this message, allowing recipients to vote on options. */
    poll?: CreateMessagesRequest.Poll | null;
    /** The unique identifier of the message this is replying to, creating a threaded reply. */
    replying_to_message_id?: string | null;
}
export declare namespace CreateMessagesRequest {
    type Attachments = Attachments.Item[];
    namespace Attachments {
        /**
         * Input for an attachment
         */
        interface Item {
            /** The ID of an existing file object. */
            id: string;
        }
    }
    /**
     * A poll to attach to this message, allowing recipients to vote on options.
     */
    interface Poll {
        /** The options for the poll. Must have sequential IDs starting from 1 */
        options: Poll.Options.Item[];
    }
    namespace Poll {
        type Options = Options.Item[];
        namespace Options {
            /**
             * Input type for a single poll option
             */
            interface Item {
                /** Sequential ID for the poll option (starting from '1') */
                id: string;
                /** The text of the poll option */
                text: string;
            }
        }
    }
}