/src/main/java/org/htmlunit/util/OrderedFastHashMap.java
if ( src == ( this) ) {   throw new IllegalArgumentException( "Cannot add myself") ; }
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throw new UnsupportedOperationException(); } } @Override public void putAll(final Map<? extends K, ? extends V> src) { if (src == this) { <extra_id_0> } for (final Map.Entry<? extends K, ? extends V> entry : src.entrySet()) { put(entry.getKey(), entry.getValue(), Position.LAST); } } private void orderedListAdd(final Position listPosition, final int position) {