A “last updated” string displays the time a set of data has been last updated by a system.
Additionnal CSS class to add on the last updated
The text displayed before the time
A callback function executed when the component unmounts
A callback function executed when the component mounts
Allows getting a ref to the component instance. Once the component unmounts, React will set `ref.current` to `null` (or call the ref with `null` if you passed a callback ref).
A Date representing when the component last updated
do not use