}

    fun register(testServices: TestServices) {
        val project = testServices.environmentManager.getProject() as MockProject
        val extensionPoint = project.extensionArea.getExtensionPoint(EP_NAME)
        extensionPoint.registerExtension(this, project)
    }
}

class KaResolveExtensionForTest(
    private val files: List<KaResolveExtensionFile>,
    private val packages: Set<FqName>,

        val irCollector = CollectingIrGenerationExtension(annotationToCheckCalls)

        val project = mainFile.project
        project.extensionArea.getExtensionPoint(IrGenerationExtension.extensionPointName)
            .registerExtension(irCollector, LoadingOrder.LAST, project)

        val compilerConfiguration = CompilerConfiguration().apply {

                    ClassTypePointerFactory.EP_NAME,
                    ClassTypePointerFactory::class.java
                )
                applicationArea.getExtensionPoint(ClassTypePointerFactory.EP_NAME)
                    .registerExtension(PsiClassReferenceTypePointerFactory(), applicationEnvironment.application)
            }
        }
    }