import { Node } from '@tiptap/core';
import { GeneralOptions } from '../../types';
declare module "@tiptap/core" {
    interface Commands<ReturnType> {
        attachment: {
            /**
             * Insert a fully-resolved attachment node.
             * All attrs (id, fileName, fileSize, fileType, fileExt) must be provided
             * — the node is never inserted in an "empty / pending" state any more.
             */
            setAttachment: (attrs: {
                id: string;
                fileName: string;
                fileSize: number;
                fileType: string;
                fileExt: string;
            }) => ReturnType;
        };
    }
}
export interface AttachmentOptions extends GeneralOptions<AttachmentOptions> {
    /**
     * Called when the user picks a file inside the attachment dialog.
     * Must resolve to the UUID / primary key your backend assigned to the
     * uploaded asset. This id is the only value stored on the node.
     */
    upload?: (file: File) => Promise<string>;
    /**
     * Called when the user clicks the download button on an attachment.
     * Receives the node's metadata so your app can fetch a signed /
     * authenticated download URL on demand and open it.
     *
     * This callback is REQUIRED for downloads to work — there is no URL stored
     * on the node, so no automatic browser fallback is possible.
     */
    onDownload?: (attrs: {
        /** The UUID / primary key returned by your upload endpoint. */
        id: string;
        fileName: string;
        fileExt: string;
        fileType: string;
        fileSize: number;
    }) => void;
}
export * from './components/RichTextAttachment';
export declare const Attachment: Node<AttachmentOptions, any>;