Model save(

static Connection resolveConnection(string|null $connection

$this setEagerLoads(array $eagerLoad) Set the relationships being eagerly

mixed getParentKey() Get the key value of the parent's local key.

string updatedAt() Get the name of the "updated at" column.

Collection splice(int $offset, int|null $length = null, mixed $replacement

Illuminate\Database\Eloquent\Relations Classes

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

$this setRelations(array $relations) Set the entire relations array on

string getForeignKey() Get the default foreign key name for the model.