#pragma once

#include "envoy/stats/custom_stat_namespaces.h"

#include "absl/container/flat_hash_set.h"

namespace Envoy {

namespace Stats {

class CustomStatNamespacesImpl : public CustomStatNamespaces {

public:

  // CustomStatNamespaces

  bool registered(const absl::string_view name) const override;

  void registerStatNamespace(const absl::string_view name) override;

  absl::optional<absl::string_view>

  stripRegisteredPrefix(const absl::string_view stat_name) const override;

private:

  absl::flat_hash_set<std::string> namespaces_;

};

} // namespace Stats

} // namespace Envoy