curl -i -X GET "https://api.box.com/2.0/users/12345/memberships" \
     -H "authorization: Bearer <ACCESS_TOKEN>"

client.memberships.get_user_memberships(user.id)

await client.memberships.getUserMemberships(user.id);

try await client.memberships.getUserMemberships(userId: user.id)

client.getMemberships().getUserMemberships(user.getId())

await client.Memberships.GetUserMembershipsAsync(userId: user.Id);

{
  "total_count": 5000,
  "limit": 1000,
  "offset": 2000,
  "order": [
    {
      "by": "type",
      "direction": "ASC"
    }
  ],
  "entries": [
    {
      "id": "11446498",
      "type": "group_membership",
      "user": {
        "id": "11446498",
        "type": "user",
        "name": "Aaron Levie",
        "login": "ceo@example.com"
      },
      "group": {
        "id": "11446498",
        "type": "group",
        "name": "Support",
        "group_type": "managed_group"
      },
      "role": "member",
      "created_at": "2012-12-12T10:53:43-08:00",
      "modified_at": "2012-12-12T10:53:43-08:00"
    }
  ]
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}