code: @Override
      public Set<java.util.Map.Entry<K, V>> entrySet() {
          final Set<Entry<K, V>> localSet = this.localMap.entrySet();
  
          if (isReadyOnly())
              return Collections.unmodifiableSet(localSet);
  
          return localSet;
      }
docs: /*
  @see java.util.Map#entrySet()