@GET
@Produces({MediaType.APPLICATION_JSON})
@Path("/{activityLocator}/item/{itemUid}")
@Override
public Obj getItemWidgetParams(
        @PathParam("activityLocator")
        String activityLocator,
        @PathParam("itemUid")
        String itemUid,
        @QueryParam("options")
        ItemWidgetInitOptions options,
        @QueryParam("mode")
        String mode) throws Exception
{
    return something;
}