|string $origin Either [lat, lon] for geo_point or a date string for date. */ public function __construct( private string $field, private array|string $origin, private string $pivot, private float $boost = 1.0, ) { } public function key(): string { return 'distance_feature_' . $this->field; } /** * @return array> */ public function toArray(): array { return [ 'distance_feature' => [ 'field' => $this->field, 'origin' => $this->origin, 'pivot' => $this->pivot, 'boost' => $this->boost, ], ]; } }