Inheritance: extends DateTime, implements services\FhirCompatible
 public function attendeesByOrganizerProvider()
 {
     $organizerKey = 123456789;
     $startDate = new \DateTime();
     $endDate = new \DateTime();
     $endDate->add(new \DateInterval('P1W'));
     $responseArray = array(array('name' => 'John Smith', 'email' => '*****@*****.**', 'meetingId' => 123456789, 'startTime' => '2012-12-01T09:00:00.+0000', 'endTime' => '2012-12-01T10:00:00.+0000'));
     return array(array($organizerKey, $startDate, $endDate, $responseArray));
 }