@Override
	public boolean contains(ProgramFragment fragment) {
		if (!(fragment instanceof FragmentDB)) {
			return false;
		}
		FragmentDB frag = (FragmentDB) fragment;
		if (moduleMgr != frag.getModuleManager()) {
			return false;
		}
		return contains(-frag.getKey());
	}
Constructor
@param moduleMgr module manager
@param cache ModuleDB cache
@param record database record for this module
@throws IOException if database IO error occurs
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/module/ModuleDB.java