Source

File: wp-includes/class-wp-recovery-mode.php

public function __construct() {
		$this->cookie_service = new WP_Recovery_Mode_Cookie_Service();
		$this->key_service    = new WP_Recovery_Mode_Key_Service();
		$this->link_service   = new WP_Recovery_Mode_Link_Service( $this->cookie_service, $this->key_service );
		$this->email_service  = new WP_Recovery_Mode_Email_Service( $this->link_service );
	}