@NonNull
  public static JobTrigger.ContentUriTrigger contentUriTrigger(@NonNull List<ObservedUri> uris) {
    if (uris == null || uris.isEmpty()) {
      throw new IllegalArgumentException("Uris must not be null or empty.");
    }
    return new JobTrigger.ContentUriTrigger(uris);
  }
Creates a new ContentUriTrigger based on the provided list of {@link ObservedUri}.

@param uris The list of URIs to observe. The trigger will be available if a piece of content,
    corresponding to any of provided URIs, is updated.
@throws IllegalArgumentException if provided list of URIs is null or empty.
jobdispatcher/src/main/java/com/firebase/jobdispatcher/Trigger.java