protected ChangeDescriptor(final String id, final String description) { Assert.isTrue(id != null && !"".equals(id)); Assert.isTrue(description != null && !"".equals(description)); fID= id; fDescription= description;
protected ChangeDescriptor() {
	protected ChangeDescriptor(final String id, final String description) {		Assert.isTrue(id != null && !"".equals(id)); //$NON-NLS-1$		Assert.isTrue(description != null && !"".equals(description)); //$NON-NLS-1$		fID= id;		fDescription= description;	}