INT16 = 7,
  COMPLEX64 = 8,
  INT8 = 9,
  FLOAT64 = 10,
  COMPLEX128 = 11,
  UINT64 = 12,
  // Experimental: Resource and variant types are experimental, that are subject
  // to change. Do not implement custom kernels using resource & variant types
  // now.
  RESOURCE = 13,
  VARIANT = 14,
  UINT32 = 15,
}

// Custom quantization parameters for experimenting with new quantization
// techniques.