private Instruction getInstruction(Address addr) throws UnknownInstructionException {
		Instruction instr = listing.getInstructionAt(addr);
		if (instr == null) {
			instr = pseudoDisassemble(addr);
		}
		return instr;
	}
Look up details of a specific constant pool reference
@param refs is the constant id (which may consist of multiple integers)
@param resultEncoder will contain the reference details
@throws IOException for errors in the underlying stream while encoding results
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/DecompileCallback.java