gistfile1.js

var dm = AeroGear.DataManager(),
    store1;

dm.add({
    name: "store1",
    type: "IndexedDB", // this could be our SessionLocal/WebSQL/IndexedDB adapters,  i don't think this really makes sense for the memory adapter
    settings: {
        sync: { // The sync option would probably only be for stores and not globally on the Data Manager
            url: "URL_OF_SYNC_SERVER"
            // future options like turning on "realtime" or other params for sync logic
            // maybe an option to do a sync when the store is first created
            // or does this happen on first read/save/remove/filter ?  or does sync always just happen on read/save/remove/filter ?
            // should probably happen on when doing the first operation
        }
    }
});

store1 = dm.stores.store1;

store1.read({
    success: function( data, array_of_what_changed_during_sync ) {
        // This array_of_what_changed_during_sync is similar to Object.observe's return http://updates.html5rocks.com/2012/11/Respond-to-change-with-Object-observe
        // data here would be the new sync'd data
        // success would only be called if there wasn't a conflict and things were sync'd successfully,  like an auto merge
        // ....
    },
    error: function( error ) {
        // Do we handle conflicts here,  or should they be handled in a different callback?
        // I kind of like a separate callback here
        // ...
    }
});

// Same things would happen for save/remove/filter