var sessionapi = require('node-utils').session();
var session = new sessionapi.Session({});

session.load('key', 'prop', true, (callback) => {
      callback(null, 'a loaded value')
    }, (err, loadedValue) => {
      //handle loaded value
});

var dumperapi = require('node-utils').dumper();
var dumper = new dumperapi.Dumper({});

//Don't care about the save status
dumper.dump('some-prefix', objectToDump);

//Care about the save status
dumper.dump('some-prefix', objectToDump, (err, filename) => {
  //handle save status
});

var datasourceapi = require('node-utils').datasource();
new datasourceapi.DataSource({ mongodbURI: 'mongodb://localhost:27017/my-db' }, (err, datasource) => {
  var aColModel = new datasourceapi.Model(datasource, 'some-collection');
  ctx.aColModel.add(myObj, (err, resp) => {
    //resp._id has the object id
  })

});

var datasourceapi = require('node-utils').datasource();
new datasourceapi.DataSource({ mongodbURI: 'mongodb://localhost:27017/my-db' }, (err, datasource) => {
    new datasourceapi.Nonce({ 
      oneTimeUse: true, 
      expireAfterSeconds: expireAfterSeconds 
      }, datasource, (err, nonceModel) => {
        nonceModel.addNonce('someKey', (err, nonce) => {
          //use nonce
        });
    });

});