fetch Legend Infos
Fetches the list of legend info.
Return
A Result. A ListImpl of LegendInfo is returned asynchronously by the task. A null is returned if an error occurs.
Since
200.1.0
Fetches the list of legend info.
A Result. A ListImpl of LegendInfo is returned asynchronously by the task. A null is returned if an error occurs.
200.1.0