@Override
          public void visitFieldInsn(int opCode, String s, String name, String desc) {
            if (name.startsWith(timeStampFieldStart) && opCode == Opcodes.PUTSTATIC) {
              visitInsn(Type.LONG_TYPE.getDescriptor().equals(desc) ? Opcodes.POP2 : Opcodes.POP);
            } else {
              super.visitFieldInsn(opCode, s, name, desc);
            }
          }
@Override
          public void visitFieldInsn(int opCode, String s, String name, String desc)