import { PluginKey } from '@milkdown/kit/prose/state';
/**
 * Metadata keys for link transactions
 */
export declare const TENTATIVE_LINK_META = "tentativeLinkMark";
export declare const CONFIRM_LINK_META = "confirmLinkMark";
/** Set by the tooltip when the user dismisses without confirming; plugin then cleans up empty links. */
export declare const CLEANUP_TENTATIVE_LINK_META = "cleanupTentativeLinkMark";
/**
 * Tracks ranges of tentative (empty href) link marks that need cleanup
 */
interface TentativeLinkRange {
    from: number;
    to: number;
}
interface TentativeLinkPluginState {
    tentativeLinks: TentativeLinkRange[];
}
declare const tentativeLinkPluginKey: PluginKey<TentativeLinkPluginState>;
/**
 * Creates a ProseMirror plugin that automatically cleans up tentative (empty) link marks.
 *
 * When a transaction creates a link with metadata { tentativeLinkMark: true }, the plugin
 * tracks that range. On the next transaction (unless it has { confirmLinkMark: true }),
 * the tentative link is automatically removed by appending removal steps to the transaction.
 *
 * This prevents empty link marks from lingering when users click away without entering a URL.
 */
export declare const tentativeLinkPlugin: import('@milkdown/utils').$Prose;
export { tentativeLinkPluginKey };