code: def get_xrefs_list(cls, class_item, method=None):
          
          log.debug("Getting XREF for %s" % class_item)
  
          item = class_item
          if method:
              item = method
  
          return XrefDialog.get_xrefs_list_from_element(item)
docs: Static method called before creating a XrefDialog
             to check if there are xrefs to display
              method (optional): method of the class we are looking xref from