code: def _process_docstring(app, what, name, obj, options, lines):
      liter_re = re.compile(r"\s*```\s*$")
  
      liter_flag = False
  
      offset = 0
      for j in range(len(lines)):
          i = j + offset
          line = lines[i]
          # first literal block line
          if not liter_flag and liter_re.match(line):
              liter_flag = True
              lines.insert(i + 1, "")
              offset += 1
              lines[i] = "::"
          # last literal block line
          elif liter_flag and liter_re.match(line):
              liter_flag = False
              lines[i] = ""
          # regular line within literal block
          elif liter_flag:
              line = " " + line
              lines[i] = line
          # regualr line
          else:
              lines[i] = line.lstrip()
  
label_desc: Use image node_id 1 for calling a global function with example usage: _process_docstring(app, what, name, obj, options, lines) without return types