@Override
			public void modifyLatest(ProgramDB program) {
				PropertyMapManager pmm = program.getUsrPropertyManager();
				try {
					StringPropertyMap spm = pmm.createStringPropertyMap("testString");
					spm.add(addr(program, "0x1002400"), "Eleven");
					spm.add(addr(program, "0x1002466"), "Six");
					spm.add(addr(program, "0x1002472"), "Twelve");
					spm.add(addr(program, "0x1002488"), "EightyEight");
					spm.add(addr(program, "0x100248a"), "Fourteen");
					spm.add(addr(program, "0x100248c"), "Fifteen");
				}
				catch (DuplicateNameException e) {
					e.printStackTrace();
				}
			}
Test the merge of the versioned program's listing.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/listing/UserDefinedPropertyMergeManagerTest.java