/**
 * Internal mutable working types for incremental index updates.
 *
 * These are inflated representations of the frozen IndexShard artifacts.
 * The orchestrator loads artifacts via codec, inflates them into these
 * mutable forms, delegates mutations to IndexNodeUpdater/IndexEdgeUpdater,
 * then deflates back to artifacts for storage.
 *
 * @module domain/services/index/types
 */
export {};
