@Override
	public String toString() {
		return map.keySet().toString();
	}
Constructs this set with the given size.  As elements are added, the oldest elements 
(by access time) will fall off the bottom of the set.
<p>
If you do not wish to have a set bounded by size, then you can override 
{@link #removeEldestEntry(java.util.Map.Entry)} to do nothing.

@param size The size to which this set will be restricted.
Ghidra/Framework/Generic/src/main/java/ghidra/util/datastruct/LRUSet.java