import { Node as PMNode, Schema, Slice } from 'prosemirror-model';
/** Parses an HTML string into a document node, sanitizing by default. */
export declare function htmlToDoc(schema: Schema, html: string, sanitize?: boolean): PMNode;
/** Parses an HTML string into a slice suitable for replaceSelection. */
export declare function htmlToSlice(schema: Schema, html: string, sanitize?: boolean): Slice;
/** Serializes a document node back to an HTML string. */
export declare function docToHtml(doc: PMNode): string;
/** Plain-text projection of the document (blocks joined by newlines). */
export declare function docToText(doc: PMNode): string;
export declare function docToJson(doc: PMNode): Record<string, unknown>;
export declare function jsonToDoc(schema: Schema, json: Record<string, unknown>): PMNode;
/** Word and character counts over the document's text content. */
export declare function countWords(doc: PMNode): {
    words: number;
    characters: number;
};
/** True when the document has no visible content. */
export declare function isDocEmpty(doc: PMNode): boolean;