In this demo the TreeMap is built from JSON data.
Chocolate Beverage
Hot Chocolate
Peppermint Hot Chocolate
Salted Caramel Hot Chocolate
White Hot Chocolate
Espresso Beverage
Caffe Americano
Caffe Latte
Caffe Mocha
Cappuccino
Pumpkin Spice Latte
Frappuccino
Caffe Vanilla Frappuccino