/**
 * Snapshotting of emitted values, so that they can safely outlive the parse
 * they came from.
 *
 * @module
 */
import type { ParsedElementInfo } from "./types/parsedElementInfo.js";
/**
 * Snapshots the mutable parts of a value emitted by the token parser.
 *
 * The `parent` and `stack` of a {@linkcode ParsedElementInfo} are live
 * references into the parser's in-progress structures, so they keep changing
 * after the value has been emitted. Consumers that hand the value over to
 * someone else -- such as the Node.js and WHATWG wrappers, which push it into a
 * stream that may be read much later -- need a copy that reflects the state at
 * emit time.
 *
 * @param parsedElementInfo The value to snapshot.
 * @param lazy Whether to materialize the snapshot on first access instead of
 * immediately. Only safe when the parser's containers are append-only from here
 * on, i.e. with the default `keepStack: true`. It makes a consumer that never
 * reads `parent`/`stack` pay nothing at all.
 * @returns A copy of `parsedElementInfo` that is unaffected by the rest of the parse.
 */
export declare function cloneParsedElementInfo(parsedElementInfo: ParsedElementInfo, lazy?: boolean): ParsedElementInfo;
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