$msgs = [ $this->msg( 'api-usage-mailinglist-ref' ) ];
Hooks::run( 'ApiDeprecationHelp', [ &$msgs ] );
if ( count( $msgs ) > 1 ) {
$msgs = [ $this->msg( 'api-usage-mailinglist-ref' ) ];
Hooks::run( 'ApiDeprecationHelp', [ &$msgs ] );
if ( count( $msgs ) > 1 ) {