public boolean hasContainer() {
		return parent != null;
	}
Returns true if there is a parent containerfile, or false if this FSRLRoot specifies
a root-level filesystem.

@return boolean true if this {@link FSRLRoot} has a parent container, or false if not.
Ghidra/Features/Base/src/main/java/ghidra/formats/gfilesystem/FSRLRoot.java