@@ -0,0 +1,795 @@
+package com.google.sps.utilities;%0A%0Aimport com.google.sps.data.Event;%0Aimport com.google.sps.data.User;%0Aimport com.google.sps.data.VolunteeringOpportunity;%0Aimport java.util.ArrayList;%0Aimport java.util.HashSet;%0Aimport java.util.List;%0Aimport java.util.Set;%0A%0Apublic class EventRanker %7B%0A  /**%0A   * Sorts events based on each event's score.%0A   * Breaks ties with the event's number of VolunteeringOpportunity%0A   * requiredSkills that match the user's skills.%0A   * %0A   * @param user The user for whom the events are ranked%0A   * @param unrankedEvents A %7B@link Set%7D of events that need to be ranked%0A   * @return A %7B@link List%7D of events that is ranked according to%0A   * each element's score%0A   */%0A  public List%3CEvent%3E rankEvents(User user, Set%3CEvent%3E unrankedEvents) %7B%0A    return new ArrayList%3C%3E();%0A  %7D%0A%7D%0A

Change event ranker class name