code: function reset($columns) {
          collapse();
          chain().removeClass(`${namespace}-selected`);
          breadcrumb();
  
          // Upon reset ensure no value is returned to the calling code.
          settings.reset($columns);
          if (settings.preview) {
              $(`.${namespace}-preview`).remove();
          }
      }
docs: Hide columns (not the first), remove selections, update breadcrumb.