@@ -0,0 +1,463 @@
+package org.leibnizcenter.cfg.util;%0A%0Aimport java.util.Map;%0A%0Apublic class MapEntry%3CK, V%3E implements Map.Entry%3CK, V%3E %7B%0A  final K key;%0A  final V value;%0A%0A  public MapEntry(K key, V value) %7B%0A    this.key = key;%0A    this.value = value;%0A  %7D%0A%0A  @Override%0A  public final K getKey() %7B%0A    return key;%0A  %7D%0A%0A  @Override%0A  public final V getValue() %7B%0A    return value;%0A  %7D%0A%0A  @Override%0A  public final V setValue(V value) %7B%0A    throw new UnsupportedOperationException();%0A  %7D%0A%7D%0A

Add MapEntry.java