private Injectable maybeProcessAsExtension(final BaseDependency dep, final Injectable depOwner, final Map<String, Injectable> customProvidedInjectables, final Multimap<ResolutionPriority, InjectableImpl> resolvedByPriority, final Collection<InjectableImpl> resolved) { Injectable injectable = resolved.iterator().next(); if (injectable.isExtension()) { final ExtensionInjectable providedInjectable = (ExtensionInjectable) injectable; final Collection<Injectable> otherResolvedInjectables = new ArrayList<>(resolvedByPriority.values()); otherResolvedInjectables.remove(injectable); final InjectionSite site = new InjectionSite(depOwner.getInjectedType(), dep, otherResolvedInjectables); injectable = providedInjectable.provider.getInjectable(site, nameGenerator); customProvidedInjectables.put(injectable.getFactoryName(), injectable); dep.injectable = GraphUtil.copyInjectableReference(dep.injectable); } return injectable; }