public IPackageFragmentRoot getPackageFragmentRoot() {
		Object[] result = getResult();
		if (result.length == 1 && result[0] instanceof IPackageFragmentRoot) {
			return (IPackageFragmentRoot) result[0];
		}
		return null;
	}
Gets the selected package fragment root.

@return The selected package fragment root. Could be null if there is not a valid
selection.
GhidraBuild/EclipsePlugins/GhidraDev/GhidraDevPlugin/src/main/java/ghidradev/ghidraprojectcreator/utils/PackageFragmentRootSelectionDialog.java