title: How to get the list of filter names in CIFilter class?
body: <p>I am using the following code for exposure adjustment and its working. I need the filter names for sharpen, denoise, highlighs, color temperature, shadows, blur, etc.</p>
  
  <pre><code>[CIFilter filterWithName: @"CIExposureAdjust"
                        keysAndValues: @"inputImage", [_imageView image], nil];
  </code></pre>