import { Fragment, Slice } from '@milkdown/kit/prose/model';
import { Transaction } from '@milkdown/kit/prose/state';
/** Assigns fresh ids to mentions with missing or duplicate instance ids (first occurrence wins). */
export declare function healDuplicateMentionIds(tr: Transaction): Transaction;
/** Remaps mention instance ids throughout a ProseMirror fragment (e.g. paste). */
export declare function remapMentionIdsInFragment(fragment: Fragment, createIdFn?: () => string, seen?: Set<string>): Fragment;
/** Remaps mention instance ids in a slice, preserving open depth. */
export declare function remapMentionIdsInSlice(slice: Slice, createIdFn?: () => string): Slice;
/** True when a paste slice contains at least one mention node. */
export declare function sliceContainsMention(slice: Slice): boolean;