bool defines(string $id, string $domain = 'messages') Checks if a message has a translation (it

addDumper(string $format, DumperInterface

replace(array $messages, string $domain = 'messages') Sets translations for a given domain.

addExtractor(string $format,

MessageCatalogueInterface|null

class Interval Tests if a given number belongs to a given math interval. An interval can

class PluralizationRules Returns the plural rules for a given locale.

class PoFileDumper extends

addFallbackCatalogue(

array getNewMessages(string $domain) Returns new messages ('new') after operation.