// Create a camera provider
ProcessCameraProvider cameraProvider = ...; // Get the provider instance

// Create an Extender object which can be used to apply extension
// configurations.
BokehImageCaptureExtender bokehImageCapture = new
        BokehImageCaptureExtender(builder);

// Select the camera
CameraSelector cameraSelector = new CameraSelector.Builder().
                                                  .requireLensFacing(CameraX.LensFacing.BACK)
                                                  .build();

// Query if extension is available (optional).
if (bokehImageCapture.isExtensionAvailable()) {
    // Enable the extension if available.
    bokehImageCapture.enableExtension();
}

// Finish constructing configuration with the same flow as when not using
// extensions.
ImageCapture useCase = new ImageCapture.Builder.build();
cameraProvider.bindToLifecycle(lifecycleOwner, cameraSelector, useCase);