@NotNull
  List<ID<?, ?>> getRequiredIndexes(@NotNull IndexedFile indexedFile) {
    if (!myRegisteredIndexes.isInitialized()) {
      // 1. early vfs event that needs invalidation
      // 2. pushers that do synchronous indexing for contentless indices
      waitUntilIndicesAreInitialized();
    }
    return myRegisteredIndexes.getRequiredIndexes(indexedFile);
  }
@NotNull
  List<ID<?, ?>> getRequiredIndexes(@NotNull IndexedFile indexedFile)