“use strict”; const SymbolTree = require(“symbol-tree”);

exports.cloningSteps = Symbol(“cloning steps”); exports.locationInfo = Symbol(“location info”);

// TODO: the many underscore-prefixed hooks should move here // E.g. _attrModified (which maybe should be split into its per-spec variants)

/**

* This SymbolTree is used to build the tree for all Node in a document
*/

exports.domSymbolTree = new SymbolTree(“DOM SymbolTree”);