/src/main/java/org/htmlunit/util/OrderedFastHashMap.java
final int ptr = this.mapData_.length;
final int length = this.mapData_.length;
this.mapThreshold_ = 0; this.orderedList_ = new int[0]; } } @Override public V get(final Object key) { <extra_id_0> if (length == 0) { return null; } int ptr = (key.hashCode() & ((length >> 1) - 1)) << 1; Object k = mapData_[ptr]; if (k == FREE_KEY_) {