code: public static <E> ProxyChannel<E> createSpscProxy(int capacity, 
              Class<E> iFace, 
              WaitStrategy waitStrategy) {
          return createProxy(capacity, 
                  iFace, 
                  waitStrategy, 
                  SpscOffHeapFixedSizeRingBuffer.class);
      }
docs: Create a default single producer single consumer (SPSC) proxy channel.
  
  @param capacity
  The minimum capacity for unprocessed invocations the channel
  should support
  @param iFace
  Interface the proxy must implement
  @param waitStrategy
  A wait strategy to be invoked when the backing data structure
  is full
  @return A proxy channel instance