return {"kMDQueryScopeHome", "kMDQueryScopeNetwork", "kMDQueryScopeComputer", "kMDQueryScopeAllIndexed", "kMDQueryScopeComputerIndexed", "kMDQueryScopeNetworkIndexed", "See <https://developer.apple.com/documentation/coreservices/mdquery/query_search_scope_keys?language=objc> for details"}