String[] stringUserIds = userIds.split(",");
long[] longUserIds = new long[stringUserIds.length];
for (int i = 0; i < stringUserIds.length; i++) {
longUserIds[i] = Long.valueOf(stringUserIds[i]);
}
filterQuery.follow(longUserIds);
}
if (allLocationsString == null && keywords == null && userIds == null) {
throw new IllegalArgumentException("At least one filter parameter is required");
}