@Override
			public void modifyLatest(ProgramDB program) {
				try {
					Function func =
						getExternalFunction(program, new String[] { "user32.dll", "apples" });
					func.removeParameter(0);

					func = getExternalFunction(program, new String[] { "user32.dll", "oranges" });
					func.removeParameter(1);
				}
				catch (Exception e) {
					e.printStackTrace();
					Assert.fail(e.getMessage());
				}
			}
Test the merge of external function variables.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/listing/ExternalFunctionMergeManagerTest.java