void addEagerConstraints(array $models) Set the constraints for an eager

void touch() Touch all of the related models for the relationship.

bool usesTimestamps() Determine if the model uses timestamps.

string createdAt() Get the name of the "created at" column.

array toggle(mixed $ids, bool $touch = true) Toggles a model (or models)

Model dissociate()

Builder getQuery()

string getQualifiedForeignKey() Get the fully qualified foreign key of

static mixed noConstraints(Closure $callback)

void __construct(Builder $query,