private String getMergeTitle() {
					DomainFile domainFile = resultDomainObject.getDomainFile();
					return "Merge Tool: " + domainFile.toString();
				}
Returns one of the four programs involved in the merge as indicated by the version.
@param version the program version to return. (LATEST, MY, ORIGINAL, or RESULT).
@return the indicated program version or null if a valid version isn't specified.
@see MergeConstants
Ghidra/Features/Base/src/main/java/ghidra/app/merge/MergeManager.java