def METHOD_NAME(self, node):
    """Run the checks on all function definitions that are commands."""
    if not self._is_command(node):
        return
    argnames = {arg.name.replace("_", "-") for arg in node.args.args}
    regular_argnames = argnames - {"self", "count"}
    self._check_args_section(node, regular_argnames)
    self._check_count_section(node, argnames)
    self._check_syntax_section(node, regular_argnames)