@Override
			public void modifyPrivate(ProgramDB program) throws Exception {
				Function func = getFunction(program, "0x100415a");
				func.getLocalVariables()[1].setDataType(new FloatDataType(),
					SourceType.ANALYSIS);

				func = getFunction(program, "0x1002a91");
				func.getLocalVariables()[0].setDataType(new FloatDataType(),
					SourceType.ANALYSIS);
			}
Test the merge of the versioned program's listing.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/listing/FunctionMergeManager2Test.java