public static GFileImpl fromFSRL(GFileSystem fileSystem, GFile parent, FSRL fsrl,
			boolean isDirectory, long length) {
		return new GFileImpl(fileSystem, parent, isDirectory, length, fsrl);
	}
Creates a GFile for a filesystem using the information in a FSRL as the file's name
and as a child of the specified parent.

@param fileSystem the {@link GFileSystem} that owns this file
@param parent the parent of the new GFile or null if child-of-root.
@param fsrl {@link FSRL} to assign to the file.
@param isDirectory boolean flag to indicate that this is a directory
@param length length of the file (use -1 if not know or specified).
@return a new {@link GFileImpl}
Ghidra/Features/Base/src/main/java/ghidra/formats/gfilesystem/GFileImpl.java