code: function() {
  
          var defaultLabel = this.get('defaultLabel') || this.defaultLabel || {};
  
          var label = {};
          label.markup = defaultLabel.markup || this.get('labelMarkup') || this.labelMarkup;
          label.position = defaultLabel.position;
          label.attrs = defaultLabel.attrs;
          label.size = defaultLabel.size;
  
          return label;
      }
docs: Get resolved default label.