public boolean isLocalSubdir(FSRL fsrl) {
		if (!isSameFS(fsrl)) {
			return false;
		}
		File localFile = new File(fsrl.getPath());
		return localFile.isDirectory();
	}
Returns true if the {@link FSRL} is a local filesystem subdirectory.

@param fsrl {@link FSRL} to test.
@return boolean true if local filesystem directory.
Ghidra/Features/Base/src/main/java/ghidra/formats/gfilesystem/LocalFileSystem.java