@Nullable
    private Boolean isEnabled(final int rowIndex) {
      Boolean previousValue = null;
      final ExistedScopesStatesAndNonExistNames existedScopesStatesAndNonExistNames = getScopeToolState(rowIndex);
      for (final ScopeToolState scopeToolState : existedScopesStatesAndNonExistNames.getExistedStates()) {
        final boolean currentValue = scopeToolState.isEnabled();
        if (previousValue == null) {
          previousValue = currentValue;
        } else if (!previousValue.equals(currentValue)){
          return null;
        }
      }
      if (!existedScopesStatesAndNonExistNames.getNonExistNames().isEmpty() && !Boolean.FALSE.equals(previousValue)) {
        return null;
      }
      return previousValue;
    }
@Nullable
    private Boolean isEnabled(final int rowIndex)