@Override
    public String toString() {
      return "IDMap{" +
          "nextID=" + nextID +
          ", realIDs=" + realIDs +
          ", wireIDs=" + wireIDs +
          ", hasLongID=" + hasLongID +
          '}';
    }
remove the mapping for the given proxy ID
geode-core/src/main/java/org/apache/geode/internal/cache/FilterProfile.java