import type { DocFragment, DocLine, DocNode, Position, SelectionSnapshot, Writeable } from './types.js';
declare const TYPE_DELETE = 1;
type DeleteOperation = Readonly<{
    _end: Position;
    _start: Position;
    _type: typeof TYPE_DELETE;
}>;
declare const TYPE_INSERT = 2;
type InsertOperation = Readonly<{
    _fragment: DocFragment;
    _pos: Position;
    _type: typeof TYPE_INSERT;
}>;
declare const TYPE_SELECT = 3;
export type Operation = EditOperation | SelectOperataion;
type EditOperation = DeleteOperation | InsertOperation;
type SelectOperataion = Readonly<{
    _anchor: Position | undefined;
    _focus: Position | undefined;
    _type: typeof TYPE_SELECT;
}>;
export declare class Transaction extends Array<Operation> {
    static from(tr: ReadonlyArray<Operation>): Transaction;
    delete(start: Position, end: Position): this;
    insert(start: Position, fragment: DocFragment): this;
    select(anchor?: Position, focus?: Position): this;
    transform(position: Position): Position;
}
/**
 * @internal
 */
export declare const isDocEqual: (docA: DocFragment, docB: DocFragment) => boolean;
/**
 * @internal
 */
export declare const isTextNode: (node: DocNode) => node is Readonly<{
    text: string;
}>;
/**
 * @internal
 */
export declare const getLineSize: (line: DocLine) => number;
/**
 * @internal
 */
export declare const merge: (a: DocLine, b: DocLine) => DocLine;
/**
 * @internal
 */
export declare const sliceDoc: (doc: DocFragment, start: Position, end: Position) => DocFragment;
/**
 * @internal
 */
export declare const applyTransaction: (doc: Writeable<DocFragment>, selection: Writeable<SelectionSnapshot>, tr: Transaction) => void;
export {};