@Override
		public ConflictResult resolveConflict(DataType addedDataType, DataType existingDataType) {
//			Msg.info(this, "New type not added in favor of existing type " +
//				existingDataType.getName() + "(" + existingDataType.getDescription() + ")");
			return ConflictResult.USE_EXISTING;
		}
<code>ConflictResult</code> indicates the resolution which should be
applied to a specific conflict
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/DataTypeConflictHandler.java