// sub-channel quantization.
  oneof type {
    QuantizedDimension dimension_specs = 1;
    PerTensor per_tensor = 2;
  }
}

// A quantization method representing "do not quantize". Mostly used for
// denylisting quantizable units from quantization.
message NoQuantization {}

// Configurations for static-range post-training quantization method on a
// quantizable unit.
message StaticRangePtq {