@Override
        public void visitLocalVariable(String name, String description, String signature, Label start, Label end,
                                       int index) {
            this.hasLvtInfo = true;
            for (int i = 0; i < this.lvtSlotIndex.length; i++) {
                if (this.lvtSlotIndex[i] == index) {
                    this.parameterNames[i] = name;
                }
            }
        }
Helper class that inspects all methods (constructor included) and then
attempts to find the parameter names for that member.
doc-swagger/src/main/java/com/alipay/sofa/rpc/doc/swagger/utils/LocalVariableTableParameterNameDiscoverer.java