private boolean contains(long childID) {
		try {
			DBRecord rec = parentChildAdapter.getParentChildRecord(key, childID);
			return rec != null;
		}
		catch (IOException e) {
			moduleMgr.dbError(e);
		}
		return false;
	}
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