copy method
returns a copy of this query as a new object this method works because Strings and ints are always copied by value
Implementation
PlanningCenterApiQuery copy() {
return PlanningCenterApiQuery(
filter: Set.from(filter),
include: Set.from(include),
perPage: perPage,
pageOffset: pageOffset,
getAll: getAll,
order: order,
where: where.toList(),
extraParams: {...extraParams},
);
}