nl_tokens: even though we provide a default sync handle we include the ability to create them for the purposes of proxying .
pl_tokens: function ( syncId , blockCb , makeCb , reifyCb , cb ) { _ . assertLength ( arguments , 5 ) //_.assertFunction(listenerCb) //_.assertFunction(objectCb) _ . assertFunction ( blockCb ) _ . assertFunction ( makeCb ) _ . assertFunction ( reifyCb ) _ . assertFunction ( cb ) ; _ . assertString ( syncId ) var e = { syncId : syncId } ; //applyRequestId(e, wrapper.bind(undefined, cb, makeCb)); <mask> ( 'BEGAN SYNC CLIENT' ) w . beginSync ( e ) ; /*syncListenersByRequestId[e.requestId]*/ syncListenersBySyncId [ syncId ] = { block : blockCb , make : makeCb , reify : reifyCb } cb ( makeSyncHandle ( syncId , makeCb ) ) }