docs: def get_completions(
      belstr: str,
      cursor_loc: int,
      bel_spec: BELSpec,
      bel_comp: str,
      bel_fmt: str,
      species_id: str,
      size: int,
  ):
      """Get BEL Assertion completions
  
      Args:
  
      Results:
  
      """
  
      ast, errors = pparse.get_ast_dict(belstr)
  
      spans = pparse.collect_spans(ast)
  
      completion_text = ""
      completions = []
      function_help = []
  
      log.debug(f"Cursor location BELstr: {belstr}  Cursor idx: {cursor_loc}")
      cursor_results = cursor(belstr, ast, cursor_loc)
      log.debug(f"Cursor results: {cursor_results}")
  
      if not cursor_results:
          log.debug("Cursor results is empty")
          return (completion_text, completions, function_help, spans)
  
      completion_text = cursor_results.get("completion_text", "")
  
      replace_span = cursor_results["replace_span"]
      namespace = cursor_results.get("namespace", None)
  
      if "parent_function" in cursor_results:
          parent_function = cursor_results["parent_function"]
          function_help = bel_specification.get_function_help(
              cursor_results["parent_function"], bel_spec
          )
  
          args = cursor_results.get("args", [])
          arg_idx = cursor_results.get("arg_idx")
  
          replace_list = arg_completions(
              completion_text,
              parent_function,
              args,
              arg_idx,
              bel_spec,
              bel_fmt,
              species_id,
              namespace,
              size,
          )
      elif cursor_results["type"] == "Function":
          function_list = None
          replace_list = function_completions(
              completion_text, bel_spec, function_list, bel_fmt, size
          )
      elif cursor_results["type"] == "Relation":
          replace_list = relation_completions(completion_text, bel_spec, bel_fmt, size)
  
      completions.extend(
          add_completions(replace_list, belstr, replace_span, completion_text)
      )
  
      return completion_text, completions, function_help, spans