/src/main/java/org/htmlunit/util/OrderedFastHashMap.java
if ( o instanceof Entry) {   final Entry<?, ?> e = ( ( Entry<?, ?>) ( o) ) ;   if ( ( equals( key_, e.getKey( ) ) ) && ( equals( value_, e.getValue( ) ) ) ) {     return true;   } }
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@Override public boolean isEmpty() { return this.backingMap_.isEmpty(); } @Override public boolean contains(final Object o) { <extra_id_0> final Map.Entry ose = (Map.Entry) o; final Object k = ose.getKey(); final Object v = ose.getValue(); final Object value = this.backingMap_.get(k); if (value != null) { return v.equals(value);