import RopeSequence from 'rope-sequence';
import type { EditorState, SelectionBookmark, Transaction } from '@atlaskit/editor-prosemirror/state';
import { Mapping } from '@atlaskit/editor-prosemirror/transform';
import type { StepMap, Transform } from '@atlaskit/editor-prosemirror/transform';
import type { Step } from '@atlaskit/editor-prosemirror/transform-override';
import type { HistoryOptions } from './types';
export declare class Branch {
    readonly items: RopeSequence<Item>;
    readonly eventCount: number;
    constructor(items: RopeSequence<Item>, eventCount: number);
    popEvent(state: EditorState, preserveItems: boolean): {
        remaining: Branch;
        selection: SelectionBookmark;
        transform: Transaction;
    } | null;
    addTransform(transform: Transform, selection: SelectionBookmark | undefined, histOptions: Required<HistoryOptions>, preserveItems: boolean): Branch;
    remapping(from: number, to: number): Mapping;
    addMaps(array: readonly StepMap[]): Branch;
    rebased(rebasedTransform: Transform, rebasedCount: number): Branch;
    emptyItemCount(): number;
    compress(upto?: number): Branch;
    static empty: Branch;
}
declare class Item {
    readonly map: StepMap;
    readonly step?: Step | undefined;
    readonly selection?: SelectionBookmark | undefined;
    readonly mirrorOffset?: number | undefined;
    constructor(map: StepMap, step?: Step | undefined, selection?: SelectionBookmark | undefined, mirrorOffset?: number | undefined);
    merge(other: Item): Item | undefined;
}
export {};