default:
				pub.Curve = nil
			}

			switch hash {
			case "SHA-1":
				h = sha1.New()
			case "SHA-224":
				h = sha256.New224()
			case "SHA-256":
				h = sha256.New()
			case "SHA-384":
				h = sha512.New384()
			case "SHA-512":
				h = sha512.New()
			default:
				h = nil
			}

			continue
		}

		if h == nil || pub.Curve == nil {
			continue

constexpr char kDefaultShardingValue[] = "";
constexpr char kMirroredVariableIndicesAttr[] = "_mirrored_variable_indices";

std::string GetRandomStateVariableName() {
  return absl::StrCat("VariablesFormatState_", tensorflow::random::New64());
}

#define GEN_PASS_DEF_TPUVARIABLERUNTIMEREFORMATTINGPASS
#include "tensorflow/compiler/mlir/tensorflow/transforms/host_runtime/runtime_passes.h.inc"

struct TPUVariableRuntimeReformattingPass