public Object/* EventID */ getEventId() {
    return eventId;
  }
For internal use only. Returns the unique <code>eventId</code> of this
<code>DataSerializer</code>.

@return the unique <code>eventId</code> of this <code>DataSerializer</code>

@since GemFire 6.5
geode-core/src/main/java/org/apache/geode/DataSerializer.java