@Override
  public void apply(@NotNull SvnConfiguration configuration) {
    configuration.setCheckNestedForQuickMerge(myCheckNestedInQuickMerge.isSelected());
    configuration.setIgnoreSpacesInAnnotate(myIgnoreWhitespaceDifferenciesInCheckBox.isSelected());
    configuration.setShowMergeSourcesInAnnotate(myShowMergeSourceInAnnotate.isSelected());
    if (!myMaximumNumberOfRevisionsCheckBox.isSelected()) {
      configuration.setMaxAnnotateRevisions(-1);
    }
    else {
      configuration.setMaxAnnotateRevisions(((SpinnerNumberModel)myNumRevsInAnnotations.getModel()).getNumber().intValue());
    }
  }
@Override
  public void apply(@NotNull SvnConfiguration configuration)