public static InsnList loadNull() {
        InsnList ret = new InsnList();
        ret.add(new InsnNode(Opcodes.ACONST_NULL));
        return ret;
    }
public static InsnList loadNull ( ) { InsnList ret = new InsnList ( ) ; ret . add ( new InsnNode ( Opcodes . ACONST_NULL ) ) ; return ret ; }
Generates instruction to push a null on to the stack.
@return instructions to push a null