private int optionToColumn(int option) {
		switch (option) {
			case KEEP_LATEST:
				return 1;
			case KEEP_MY:
				return 2;
			case KEEP_ORIGINAL:
				return 3;
		}
		return -1;
	}
Makes a user choice on a primary symbol conflict as indicated by option.
This is equivalent to the user clicking a mouse on a radio button
indicating which version's primary symbol is desired.
It can also be used to press the Cancel button on the merge.
@param option indicates the button to choose.
<br>One of:
<ul>
<li>KEEP_LATEST</li>
<li>KEEP_MY</li>
<li>KEEP_ORIGINAL</li>
</ul>
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/listing/AbstractListingMergeManagerTest.java