code: private void storeInsn(final Type type, final int index) {
          mv.visitVarInsn(type.getOpcode(Opcodes.ISTORE), index);
      }
docs: Generates the instruction to store the top stack value in a local
  variable.
  
  @param type
  the type of the local variable to be stored.
  @param index
  an index in the frame's local variables array.