public function list_subcommand( $_, $assoc_args ) {
		$super_admins = self::get_admins();

		if ( 'list' === $assoc_args['format'] ) {
			foreach ( $super_admins as $user_login ) {
				WP_CLI::line( $user_login );
			}
		} else {
			$output_users = array();
			foreach ( $super_admins as $user_login ) {
				$output_user = new stdClass();

				$output_user->user_login = $user_login;

				$output_users[] = $output_user;
			}
			$formatter = new \WP_CLI\Formatter( $assoc_args, $this->fields );
			$formatter->display_items( $output_users );
		}
	}