public int countWildcards() {
		int count = 0;
		for (String k : keys) {
			if (PathPattern.isWildcard(k)) {
				count++;
			}
		}
		return count;
	}
Get the (immutable) list of keys from source to destination

@return the key list
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/target/path/KeyPath.java