@Override
  public String toString() {
    return "InterestRegistrationEvent [" + "isRegister=" + isRegister
        + "clientSession=" + clientSession + "; isRegister="
        + "; regionName=" + regionName + "; keysOfInterest="
        + keysOfInterest + "; interestType="
        + InterestType.getString(InterestType.valueOf(interestType)) + "]";
  }
Constructor.

@param regionName The name of the region to which this interest event belongs
geode-core/src/main/java/org/apache/geode/internal/cache/InterestRegistrationEventImpl.java