Source.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Recent\Initializer;
 
interface Source
{
    public function getSourceId(): ?int;
    public function getItems(string $pointer, int $limit): InitialiazerResult;
    public function getStage(): Stage;
    public function setIsFirstInit(bool $flag): Source;
    public static function getType(): SourceType;
}