/src/main/java/org/htmlunit/util/OrderedFastHashMap.java
mapData_[ptr + 1] = value;mapData_[ptr] = key;
mapData_[ptr] = key;
if (mapSize_ >= mapThreshold_) { rehash(this.mapData_.length == 0 ? 4 : this.mapData_.length << 1); } int ptr = getStartIndex(key) << 1; Object k = mapData_[ptr]; if (k == FREE_KEY_) { <extra_id_0> mapData_[ptr + 1] = value; orderedListAdd(listPosition, ptr); mapSize_++; return null; } else if (k.equals(key)) {