string relatedUpdatedAt() Get the name of the related model's "updated

abstract array initRelation(array $models, string $relation)

mixed __call(string $method, array $parameters) Handle dynamic method calls

array matchOne(array $models, Collection $results

string getQualifiedParentKeyName() Get the fully qualified parent key name

void attach(mixed $id, array $attributes = array(), bool $touch = true) Attach

Builder getRelationCountQuery(

Builder newQueryWithoutScope(

Collection findMany(mixed $ids, array $columns

mixed getAttribute(string $key) Get an attribute from the model.