int update(array $attributes) Perform an update on all the related models

Collection diffKeys(mixed $items)

Builder getRelationQuery(

Collection findMany(array $ids, array $columns

static array morphMap(array $map = null, bool $merge = true) Set

Model updateOrCreate(array $attributes, array $values = array())

string getForeignKey() Get the foreign key for the relationship.

int rawUpdate(array $attributes = array()) Run a raw update against the

string wrap(string $value) Wrap the given value with the parent query's

HasOne class HasOne extends