protected DomainFolder getOrCreateFolder(DomainFolder parent, String name)
			throws InvalidNameException, IOException {
		try {
			return parent.createFolder(name);
		}
		catch (DuplicateFileException e) {
			return parent.getFolder(name);
		}
	}
Create a handler

<p>
Note it is common for this to be constructed by a TCP <em>client</em>.

@param plugin the Trace RMI plugin
@param socket the socket to the back-end debugger
@throws IOException if there is an issue with the I/O streams
Ghidra/Debug/Debugger-rmi-trace/src/main/java/ghidra/app/plugin/core/debug/service/tracermi/TraceRmiHandler.java