src/ContainerBuilder.php
public function registerConfiguration(array $configuration): void
    {
        foreach ($configuration as $identifier => $value) {
            $this->container->addEntry($identifier, new MixedEntry($value));
        }
    }
public function registerConfiguration(array $configuration): void
    {
        foreach ($configuration as $identifier => $value) {
            $this->container->addEntry($identifier, new MixedEntry($value));
        }
    }
Registers an array with identifier value pairs to the container as mixed entries.
@param array $configuration The configuration array to register
@throws ContainerException If trying to register values that already exist