code: function (key, root, originalKey) {
  	this.root = root;
  	this.key = key;
  	//!steal-remove-start
  	if (process.env.NODE_ENV !== 'production') {
  		this[canSymbol.for("can-stache.originalKey")] = originalKey;
  	}
  	//!steal-remove-end
  }
docs: ### Bracket For accessing properties using bracket notation like `foo[bar]`