class XlaActivityLoggingListener final : public XlaActivityListener {
 public:
  Status Listen(
      const XlaAutoClusteringActivity& auto_clustering_activity) override {
    if (!IsEnabled()) {
      VLOG(3) << "Logging XlaAutoClusteringActivity disabled";
      return absl::OkStatus();
    }

    return absl::OkStatus();
  }

  Status Listen(

    return absl::OkStatus();
  }

  ~TestListener() override {}

  const XlaAutoClusteringActivity& auto_clustering_activity() const {
    return auto_clustering_activity_;
  }
  const XlaJitCompilationActivity& jit_compilation_activity() const {
    return jit_compilation_activity_;
  }

 private:
  XlaAutoClusteringActivity auto_clustering_activity_;
  XlaJitCompilationActivity jit_compilation_activity_;
};

#include "tensorflow/compiler/jit/xla_activity.pb.h"
#include "tensorflow/core/lib/core/status.h"

namespace tensorflow {
// Broadcast `auto_clustering_activity` to all the registered listeners.
Status BroadcastXlaActivity(XlaAutoClusteringActivity auto_clustering_activity);

// Broadcast `jit_compilation_activity` to all the registered listeners.
Status BroadcastXlaActivity(XlaJitCompilationActivity jit_compilation_activity);

#include "tensorflow/compiler/jit/xla_cluster_util.h"

namespace tensorflow {
Status ReportClusteringInfoPass::Run(
    const GraphOptimizationPassOptions& options) {
  XlaAutoClusteringActivity activity;
  *activity.mutable_summary() = GetXlaAutoClusteringSummary(**options.graph);
  activity.set_global_jit_level(GetGlobalJitLevelForGraph(options));
  activity.set_cpu_global_jit_enabled(

  Status s = ForEachListener([](XlaActivityListener* listener) {
    listener->Flush();
    return absl::OkStatus();
  });
  CHECK(s.ok());
}
}  // namespace

Status BroadcastXlaActivity(
    XlaAutoClusteringActivity auto_clustering_activity) {
  return ForEachListener([&](XlaActivityListener* listener) {
    return listener->Listen(auto_clustering_activity);
  });
}

Status BroadcastXlaActivity(

namespace tensorflow {

// A listener to inspect the use of XLA's persistent compilation cache entries.
class JitCompilationListener : public XlaActivityListener {
 public:
  Status Listen(
      const XlaAutoClusteringActivity& auto_clustering_activity) override {
    return absl::OkStatus();
  }

  Status Listen(
      const XlaJitCompilationActivity& jit_compilation_activity) override {

  repeated OpAndCount unclustered_op_histogram = 4;
}

// Listeners listening for auto clustering events get messages of this type.
//
// Next ID: 4
message XlaAutoClusteringActivity {
  // The value of GlobalJitLevel, as determined by `GetGlobalJitLevelForGraph`.
  // This determines if global auto-clustering is enabled.
  OptimizerOptions.GlobalJitLevel global_jit_level = 1;