private void fixupMyExternalTypeChanges(long originalID, long myID) {
		// The type was changed. Convert this from a "Remove/Add" to a "Change".
		myModifiedIDs.add(myID);
		myRemovedOriginalIDs.remove(originalID);
		myAddIDs.remove(myID);
		originalToMyHash.put(originalID, myID);
		myToOriginalHash.put(myID, originalID);
	}
Determine the type of changes to the symbols in the LATEST and MY (CheckedOut) program.
Changes can be symbol removed, added, changed, renamed, and set to primary.
@param monitor task monitor for displaying progress to the user
@throws CancelledException if the user cancels the merge.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/ExternalFunctionMerger.java