$this load(mixed $relations) Load a set of relationships onto the collection

$this append(array|string $attributes) Append attributes to query when

array getRelations() Get all the loaded relations for the instance.

string getDeletedAtColumn() Get the name of the "deleted at" column.

Builder newQueryWithoutScope(

FactoryBuilder class FactoryBuilder (

int|array getIds() Get the affected Eloquent model IDs.

Collection flatten(int $depth = INF)

BelongsToMany belongsToMany(string

Collection groupBy(callable|string $groupBy, bool $preserveKeys = false)