@Override
	public void setFlowOverride(FlowOverride flowOverride) {
		this.flowOverride = flowOverride != null ? flowOverride : FlowOverride.NONE;
	}
Return the byte value repeated for all bytes within this instruction or null
if byte values vary.
@return repeated byte value or null if bytes vary
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/util/PseudoInstruction.java