module.exports = require('./arborist/index.js')
module.exports.Arborist = module.exports
module.exports.Node = require('./node.js')
module.exports.Link = require('./link.js')
module.exports.Edge = require('./edge.js')
module.exports.Shrinkwrap = require('./shrinkwrap.js')
// XXX export the other classes, too.  shrinkwrap, diff, etc.
// they're handy!