@Override
	public int getLevel() {
		return level;
	}
The implementation of a stack frame, directly via a database object

<p>
Version history:
<ul>
<li>1: Change {@link #pc} to 10-byte fixed encoding, make it sparse, so optional</li>
<li>0: Initial version and previous unversioned implementations</li>
</ul>
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/stack/DBTraceStackFrame.java