code: @Override
      public void visitFieldInsn(int opcode, String owner, String name, String desc) {
          visitSomeInsn();
  
      }
docs: /*
  (non-Javadoc)
  
  @see org.objectweb.asm.MethodVisitor#visitFieldInsn(int,
  java.lang.String, java.lang.String, java.lang.String)