fullState ??= false; $this->setPresence ??= PresenceState::ONLINE; $this->timeout ??= 0; $this->useStateAfter ??= false; } public function getQueryParameters(): array { return array_filter([ "filter" => $this->filter, "full_state" => $this->fullState, "set_presence" => $this->setPresence, "since" => $this->since, "timeout" => $this->timeout, "use_state_after" => $this->useStateAfter, ], "is_null"); } }