@Override
			public void modifyPrivate(ProgramDB program) {
				try {
					createExternalFunction(program, new String[] { "user32.dll", "BETTY" },
						addr(program, "10063b4"));
					createExternalFunction(program, new String[] { "user32.dll", "BARNEY" },
						addr(program, "77db1130"));
				}
				catch (Exception e) {
					Assert.fail(e.getMessage());
				}
			}
Test the merge of external function variables.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/listing/ExternalFunctionMergeManagerTest.java