@Override
      public LookupAllKeysTrace lookupStarted(final @NotNull IndexId<?, ?> indexId) {
        final LookupAllKeysTrace trace = super.lookupStarted(indexId);
        this.indexValidationFinishedAtMs = -1;

        //for re-entrant calls could be != this
        return trace;
      }
@Override
      public LookupAllKeysTrace lookupStarted(final @NotNull IndexId<?, ?> indexId)