import type { PuckData } from "@pantheon-systems/css-client";
/**
 * Coerce a stored version snapshot into PuckData. Snapshots are typed as
 * objects, but the backend sometimes returns them as a JSON string; parsing
 * here keeps every downstream consumer (currentData, safeData, the Yjs seed,
 * the document-sync store) working with a real object instead of spreading a
 * string character-by-character. Empty or invalid snapshots — including the
 * blank initial version — collapse to blank Puck data.
 */
export declare function snapshotToPuckData(snapshot: unknown): PuckData;