title: instrumenting an "import" using java asm library
body: <p>I'm using the asm library for java instrumentation and I want to instrument an "import"
  instruction. so that by using visitMethodInsn and INVOKEVIRTUAL i would be able to call a function from my package.
  I'm aware that when I have a bytecode the linkage stage is over so I might have trouble doing so. any solution/detour?</p>