default TracePropertyMapSpace<T> getPropertyMapRegisterSpace(TraceStackFrame frame,
			boolean createIfAbsent) {
		return getPropertyMapRegisterSpace(frame.getStack().getThread(), frame.getLevel(),
			createIfAbsent);
	}
Get the map space for the registers of a given frame (which knows its thread)

@param frame the frame
@param createIfAbsent true to create the map space if it doesn't already exist
@return the space, or null
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/property/TracePropertyMap.java