public static FSRLRoot nestedFS(FSRL containerFile, FSRLRoot copyFSRL) {
		if (containerFile instanceof FSRLRoot) {
			throw new RuntimeException("Can't make nestedFS with FSRLRoot path: " + containerFile);
		}
		return new FSRLRoot(containerFile, copyFSRL.getProtocol());
	}
Create a copy of {@code copyFSRL}, but using a different {@code containerFile} parent.
<p>
(ie. re-parents copyFSRL so its parent is containerFile)

@param containerFile {@link FSRL} of new parent
@param copyFSRL {@link FSRLRoot} that will be copied and re-parented.
@return new {@link FSRLRoot}
Ghidra/Features/Base/src/main/java/ghidra/formats/gfilesystem/FSRLRoot.java