          list
              The list of optional command line options for the Convert command
          """
  
          argument_list = []
          argument_list.append(dict(
              opts=("-ref", "--reference-video"),
              action=FileFullPaths,
              filetypes="video",
              type=str,
 
</s> remove         argument_list = list()
 </s> add         argument_list: List[Dict[str, Any]] = [] </s> remove         argument_list = []
 </s> add         argument_list: List[Dict[str, Any]] = [] </s> remove         argument_list = []
 </s> add         argument_list: List[Dict[str, Any]] = [] </s> remove         argument_list = []
 </s> add         argument_list: List[Dict[str, Any]] = [] </s> remove         argument_list = list()
 </s> add         argument_list: List[Dict[str, Any]] = []
        argument_list: List[Dict[str, Any]] = []
          list
              The list of optional command line options for the Convert command
          """
  
        argument_list: List[Dict[str, Any]] = []
          argument_list.append(dict(
              opts=("-ref", "--reference-video"),
              action=FileFullPaths,
              filetypes="video",
              type=str,
keep keep keep keep replace keep keep keep keep keep
 Live Preview - Replace cv2 with matplotlib viewer 
lib/cli/args.py