def has_scheduler(obj: Any) -> bool: return has_meta_information(obj, __scheduler_key)
def has_skip(obj: Any) -> bool: return has_meta_information(obj, __skip_key)
def has_connection(obj: Any) -> bool: return has_meta_information(obj, __path_key)
def has_description(obj: Any) -> bool: return has_meta_information(obj, __description_key)
def has_node(obj: Any) -> bool: return has_meta_information(obj, __node_key)
def has_order(obj: Any) -> bool: return has_meta_information(obj, __order_key)
def has_env(obj: Any) -> bool: return has_meta_information(obj, __env_key)