how to get WordPress admin user table columns name in my plugin

Yep! solved it.

require_once( ABSPATH . 'wp-admin/includes/class-wp-users-list-table.php' ); 
$hmm = new WP_Users_List_Table( array( 'screen' => 'users' ) ); 
$hmm->get_column_info()[0] 

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)