import { Transaction } from "prosemirror-state";
import { Schema } from "prosemirror-model";
export declare function setEmptyNodeProperties(tr: Transaction, from: number, to: number): Transaction;
export declare function setEmptyMarks(tr: Transaction, schema: Schema, from: number, to: number): Transaction;
export declare function setEmptyNodes(tr: Transaction, schema: Schema, from: number, to: number): Transaction;
export declare function clearFormat(tr: Transaction, schema: Schema, from: number, to: number): Transaction;