@Override
	public DomainFile getDomainFile() {
		return domainFile;
	}
Invalidates any caching in a program and generate a {@link DomainObjectEvent#RESTORED}
event. 
NOTE: Over-using this method can adversely affect system performance.
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/DomainObjectAdapter.java