/** @since Available in iOS 7.0 and later. */
 public AVSampleRateConverterAlgorithm getAlgorithm() {
   if (has(Keys.Algorithm())) {
     NSString val = (NSString) get(Keys.Algorithm());
     return AVSampleRateConverterAlgorithm.valueOf(val);
   }
   return null;
 }
 /** @since Available in iOS 7.0 and later. */
 public AVSampleRateConverterSettings setAlgorithm(AVSampleRateConverterAlgorithm algorithm) {
   set(Keys.Algorithm(), algorithm.value());
   return this;
 }