public String getRecipientsDescription() {
    if (forAll()) {
      return "recipients: ALL";
    } else {
      StringBuilder sb = new StringBuilder(100);
      sb.append("recipients: <");
      for (int i = 0; i < recipients.size(); i++) {
        if (i != 0) {
          sb.append(", ");
        }
        sb.append(recipients.get(i));
      }
      sb.append(">");

      return sb.toString();
    }
  }
Returns true if message will be sent to everyone.
geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionMessage.java