PeekAndPoke / slumber-data

            ->toArray();

    }

    private function setUpPreSaveVisits()

    {

        // set up the pre save property visits

        $this->preSaveVisits = array_merge(

            $this->preSaveVisits,

            Psi::it($this->getMarkedProperties())

                ->filter(new Psi\IsInstanceOf(PropertyMarkedForSlumber::class))

                ->filter(function (PropertyMarkedForSlumber $p) {

                    return $p->getFirstMarkerOf(PropertyPreSaveVisitorMarker::class) !== null;

                })

                ->map(function (PropertyMarkedForSlumber $p) {

                    $res               = new PropertyMarkedForPreSaveVisit();

                    $res->propertyName = $p->name;

                    $res->markers      = $p->getMarkersOf(PropertyPreSaveVisitorMarker::class);

                    return $res;

                })

                ->toArray()

        );

    }

    private function setUpPostSaveClassListeners()

    {

        );

    }

    private function setUpIndexedProperties()

    {

        // get indexed properties

        // TODO: write tests

        $this->indexedProperties = array_merge(

            $this->indexedProperties,

            Psi::it($this->getMarkedProperties())

                ->filter(new Psi\IsInstanceOf(PropertyMarkedForSlumber::class))

                ->filter(function (PropertyMarkedForSlumber $p) {

                    return $p->getFirstMarkerOf(PropertyStorageIndexMarker::class) !== null;

                })

                ->map(function (PropertyMarkedForSlumber $p) {

                    $res               = new PropertyMarkedForIndexing();

                    $res->propertyName = $p->name;

                    $res->markers      = $p->getMarkersOf(PropertyStorageIndexMarker::class);

                    return $res;

                })

                ->toArray()

        );

    }

    private function setUpCompoundIndexes()

    {