/**
 * Constants for the part-sync collaboration module.
 *
 * Yjs map key names, source identifiers, and configuration defaults.
 */
/** Yjs map for non-document OOXML parts. */
export declare const PARTS_MAP_KEY = "parts";
/** Yjs map for document metadata (docx, fonts, migration status, etc.). */
export declare const META_MAP_KEY = "meta";
/** Yjs map for media files. */
export declare const MEDIA_MAP_KEY = "media";
export declare const META_PARTS_SCHEMA_VERSION_KEY = "partsSchemaVersion";
export declare const META_PARTS_MIGRATION_KEY = "partsMigration";
export declare const META_PARTS_LAST_HYDRATED_AT_KEY = "partsLastHydratedAt";
export declare const META_PARTS_FALLBACK_MODE_KEY = "partsFallbackMode";
export declare const META_PARTS_CAPABILITY_KEY = "partsCapability";
/** Source prefix for all local part mutations originating from part-sync. */
export declare const SOURCE_COLLAB_REMOTE_PARTS = "collab:remote:parts";
/** Source prefix for remote collaboration changes. Used in filtering. */
export declare const SOURCE_COLLAB_REMOTE_PREFIX = "collab:remote:";
/** Default staleness window (ms) for concurrent-overwrite detection. */
export declare const DEFAULT_STALENESS_WINDOW_MS = 5000;
/** Current parts schema version. */
export declare const PARTS_SCHEMA_VERSION = 1;
/** Parts excluded from sync (handled by y-prosemirror). */
export declare const EXCLUDED_PART_IDS: Set<string>;
/** Critical parts that must succeed during initial hydration. */
export declare const CRITICAL_PART_IDS: Set<string>;
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