@Override
	public void decode(Decoder decoder, SleighLanguage sleigh) throws DecoderException {
//		int element = decoder.openElement(ELEM_NEXT2_SYM);
		patexp = new Next2InstructionValue();
		decoder.closeElement(ELEM_NEXT2_SYM.id());
	}
Symbol with semantic value equal to offset of address immediately
after the next instruction (inst_next2)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/processors/sleigh/symbol/Next2Symbol.java