public void visitTypeInsn(final int opcode, final String type) {
        Item i = cw.newClassItem(type);
        // Label currentBlock = this.currentBlock;
        // adds the instruction to the bytecode of the method
        code.put12(opcode, i.index);
    }
Maximum number of local variables for this method.
src/main/java/com/alibaba/fastjson/asm/MethodWriter.java