private function getInlinedDefinitions(Definition $definition)
    {
        if (false === $this->inlinedDefinitions->contains($definition)) {
            $definitions = array_merge(
                $this->getDefinitionsFromArguments($definition->getArguments()),
                $this->getDefinitionsFromArguments($definition->getMethodCalls()),
                $this->getDefinitionsFromArguments($definition->getProperties()),
                $this->getDefinitionsFromArguments(array($definition->getConfigurator())),
                $this->getDefinitionsFromArguments(array($definition->getFactory()))
            );

            $this->inlinedDefinitions->offsetSet($definition, $definitions);

            return $definitions;
        }

        return $this->inlinedDefinitions->offsetGet($definition);
    }