services:_instanceof:App\Command\HandlerInterface:tags:['app.command_handler']app.command_handlers:class:Symfony\Component\DependencyInjection\ServiceLocatorarguments:[!tagged_iterator { tag: 'app.command_handler', default_index_method: 'getCommandName' }]App\CommandBus:arguments:['@app.command_handlers']App\AnotherCommandBus:arguments:['@app.command_handlers']

Invalid definition for service "app.command_handlers": an array of references is expected as first argument when the "container.service_locator" tag is set.