private String getName(Program program) {
			if (program == resultPgm) {
				return getResultName();
			}
			if (program == originalPgm) {
				return getOriginalName();
			}
			if (program == latestPgm) {
				return getLatestName();
			}
			if (program == myPgm) {
				return getMyName();
			}
			return null;
		}
Get the name of the symbol in the indicated program or null if it doesn't exist in
the indicated program.
@param program the program (Result, Original, Latest, My) to check.
@return the symbol name or null.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/ExternalProgramMerger.java