private FunctionTag getTag(Long id, Program program) throws IOException {
		FunctionManagerDB functionManagerDB = (FunctionManagerDB) program.getFunctionManager();
		FunctionTag tag = functionManagerDB.getFunctionTagManager().getFunctionTag(id);
		return tag;
	}
Returns the {@link FunctionTag} for the tag ID given.

@param id the tag ID
@param program the program version
@return null if tag not found for the given id
@throws IOException
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/FunctionTagListingMerger.java