private CodeUnit getNextPreviousCodeUnit(Program program, Address address, boolean forward) {
		if (forward) {
			return program.getListing().getDefinedCodeUnitAfter(address);
		}
		return program.getListing().getDefinedCodeUnitBefore(address);
	}
Navigates to the same byte pattern value under the current code unit.  When negated, the search
will only consider a single byte, as it seems more useful to be able to skip runs of a 
particular byte.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/NextPreviousSameBytesAction.java