{
 "kind": "calendar#events",
 "etag": ""thEtag"",
 "summary": "samuel.reyes@genko.com",
 "updated": "2018-08-20T18:11:13.081Z",
 "timeZone": "America/Denver",
 "accessRole": "reader",
 "defaultReminders": [],
 "nextSyncToken": "randomblahblah",
 "items": [
  {
   "kind": "calendar#event",
   "etag": ""etag"",
   "id": "7q7r94v1vjoa72tq63kee",
   "status": "confirmed",
   "htmlLink": "https://www.google.com/calendar/event?eid=N3E3cjk0djF",
   "created": "2018-03-01T16:28:26.000Z",
   "updated": "2018-03-01T18:27:01.967Z",
   "summary": "Isolated Work Time - Not Available (Quiet Time)",
   "creator": {
    "email": "samuel.reyes@genko.com",
    "self": true
   },
   "organizer": {
    "email": "samuel.reyes@genko.com",
    "self": true
   },
   "start": {
    "dateTime": "2018-02-26T10:00:00-07:00",
    "timeZone": "America/Denver"
   },
   "end": {
    "dateTime": "2018-02-26T12:00:00-07:00",
    "timeZone": "America/Denver"
   },
   "recurrence": [
    "RRULE:FREQ=WEEKLY;BYDAY=MO,TU,WE,TH,FR"
   ],
   "iCalUID": "123455@google.com",
   "sequence": 0,
   "reminders": {
    "useDefault": true
   }
  },
  {
   "kind": "calendar#event",
   "etag": ""etag"",
   "id": "eventid",
   "status": "confirmed",
   "htmlLink": "https://www.google.com/calendar/event?eid=MmU4OGkxNTJmaG",
   "created": "2018-07-20T15:45:23.000Z",
   "updated": "2018-07-27T15:41:36.966Z",
   "summary": "Joe / Samuel",
   "creator": {
    "email": "joe@genko.com"
   },
   "organizer": {
    "email": "joe@genko.com"
   },
   "start": {
    "dateTime": "2018-07-26T13:30:00-06:00",
    "timeZone": "America/Denver"
   },
   "end": {
    "dateTime": "2018-07-26T14:00:00-06:00",
    "timeZone": "America/Denver"
   },
   "recurrence": [
    "RRULE:FREQ=WEEKLY;INTERVAL=2;BYDAY=TH"
   ],
   "iCalUID": "2e88i152@google.com",
   "sequence": 0,
   "attendees": [
    {
     "email": "joe@genko.com",
     "organizer": true,
     "responseStatus": "accepted"
    },
    {
     "email": "samuel.reyes@genko.com",
     "self": true,
     "responseStatus": "needsAction"
    }
   ],
   "reminders": {
    "useDefault": true
   }
  }
}, etc.... untold numbered list of such events

`Map<String, Object> m = (Map<String,Object>) JSON.deserializeUntyped(items);`

public class GoogleCalendar{
    public String kind;
    public String etag;
    public Datetime updated_date;
    public String timezone;
    public String accessRole;
    public String nextSyncToken;
    public List<GoogleCalendarItems> gcitems;
}
public class GoogleCalendarItems{
    public String index_number;
    public String kind;
    public String etag;
    public String event_id;
    public String event_status;
    public String htmlLink;
    public String created_date;
    public String updated_date;
    public String iCalUID;
    public String sequence;
    public GCI_creator creator;
    public GCI_organizer organizer;
    public ItemReminders itemReminders;
    public GCI_recurrence recurrence;
    public GCI_start start_time;
    public GCI_end end_time;
}

private class GCI_end{
    public Datetime end_time;
}
private class GCI_start{
    public Datetime start_time;
}
private class GCI_recurrence{
    public String RRULE;
}
private class ItemReminders{
    public Boolean useDefault;
}
private class GCI_organizer{
    public String organizer_email;
}
private class GCI_creator{
    public String creator_email;
}