* @author Mateusz Sip */ interface ServiceProviderInterface extends ContainerInterface { /** * Returns an associative array of service types keyed by the identifiers provided by the current container. * * Examples: * * * ['logger' => 'Psr\Log\LoggerInterface'] means the object provides a service named "logger" that implements Psr\Log\LoggerInterface * * ['foo' => '?'] means the container provides service name "foo" of unspecified type * * ['bar' => '?Bar\Baz'] means the container provides a service "bar" of type Bar\Baz|null * * @return string[] The provided service types, keyed by service names */ public function getProvidedServices(): array; }