diff --git a/proto/mediums/ble_frames.pb.cc b/proto/mediums/ble_frames.pb.cc
deleted file mode 100644
index 42f55f75..00000000
--- a/proto/mediums/ble_frames.pb.cc
+++ /dev/null
@@ -1,1271 +0,0 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: proto/mediums/ble_frames.proto
-
-#include "proto/mediums/ble_frames.pb.h"
-
-#include <algorithm>
-
-#include <google/protobuf/io/coded_stream.h>
-#include <google/protobuf/extension_set.h>
-#include <google/protobuf/wire_format_lite.h>
-#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
-// @@protoc_insertion_point(includes)
-#include <google/protobuf/port_def.inc>
-
-PROTOBUF_PRAGMA_INIT_SEG
-namespace location {
-namespace nearby {
-namespace mediums {
-constexpr SocketControlFrame::SocketControlFrame(
-  ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : introduction_(nullptr)
-  , disconnection_(nullptr)
-  , packet_acknowledgement_(nullptr)
-  , type_(0)
-{}
-struct SocketControlFrameDefaultTypeInternal {
-  constexpr SocketControlFrameDefaultTypeInternal()
-    : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
-  ~SocketControlFrameDefaultTypeInternal() {}
-  union {
-    SocketControlFrame _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT SocketControlFrameDefaultTypeInternal _SocketControlFrame_default_instance_;
-constexpr IntroductionFrame::IntroductionFrame(
-  ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : service_id_hash_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string)
-  , socket_version_(0)
-{}
-struct IntroductionFrameDefaultTypeInternal {
-  constexpr IntroductionFrameDefaultTypeInternal()
-    : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
-  ~IntroductionFrameDefaultTypeInternal() {}
-  union {
-    IntroductionFrame _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT IntroductionFrameDefaultTypeInternal _IntroductionFrame_default_instance_;
-constexpr DisconnectionFrame::DisconnectionFrame(
-  ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : service_id_hash_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string){}
-struct DisconnectionFrameDefaultTypeInternal {
-  constexpr DisconnectionFrameDefaultTypeInternal()
-    : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
-  ~DisconnectionFrameDefaultTypeInternal() {}
-  union {
-    DisconnectionFrame _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT DisconnectionFrameDefaultTypeInternal _DisconnectionFrame_default_instance_;
-constexpr PacketAcknowledgementFrame::PacketAcknowledgementFrame(
-  ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : service_id_hash_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string)
-  , received_size_(0){}
-struct PacketAcknowledgementFrameDefaultTypeInternal {
-  constexpr PacketAcknowledgementFrameDefaultTypeInternal()
-    : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
-  ~PacketAcknowledgementFrameDefaultTypeInternal() {}
-  union {
-    PacketAcknowledgementFrame _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PacketAcknowledgementFrameDefaultTypeInternal _PacketAcknowledgementFrame_default_instance_;
-}  // namespace mediums
-}  // namespace nearby
-}  // namespace location
-namespace location {
-namespace nearby {
-namespace mediums {
-bool SocketControlFrame_ControlFrameType_IsValid(int value) {
-  switch (value) {
-    case 0:
-    case 1:
-    case 2:
-    case 3:
-      return true;
-    default:
-      return false;
-  }
-}
-
-static ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<std::string> SocketControlFrame_ControlFrameType_strings[4] = {};
-
-static const char SocketControlFrame_ControlFrameType_names[] =
-  "DISCONNECTION"
-  "INTRODUCTION"
-  "PACKET_ACKNOWLEDGEMENT"
-  "UNKNOWN_CONTROL_FRAME_TYPE";
-
-static const ::PROTOBUF_NAMESPACE_ID::internal::EnumEntry SocketControlFrame_ControlFrameType_entries[] = {
-  { {SocketControlFrame_ControlFrameType_names + 0, 13}, 2 },
-  { {SocketControlFrame_ControlFrameType_names + 13, 12}, 1 },
-  { {SocketControlFrame_ControlFrameType_names + 25, 22}, 3 },
-  { {SocketControlFrame_ControlFrameType_names + 47, 26}, 0 },
-};
-
-static const int SocketControlFrame_ControlFrameType_entries_by_number[] = {
-  3, // 0 -> UNKNOWN_CONTROL_FRAME_TYPE
-  1, // 1 -> INTRODUCTION
-  0, // 2 -> DISCONNECTION
-  2, // 3 -> PACKET_ACKNOWLEDGEMENT
-};
-
-const std::string& SocketControlFrame_ControlFrameType_Name(
-    SocketControlFrame_ControlFrameType value) {
-  static const bool dummy =
-      ::PROTOBUF_NAMESPACE_ID::internal::InitializeEnumStrings(
-          SocketControlFrame_ControlFrameType_entries,
-          SocketControlFrame_ControlFrameType_entries_by_number,
-          4, SocketControlFrame_ControlFrameType_strings);
-  (void) dummy;
-  int idx = ::PROTOBUF_NAMESPACE_ID::internal::LookUpEnumName(
-      SocketControlFrame_ControlFrameType_entries,
-      SocketControlFrame_ControlFrameType_entries_by_number,
-      4, value);
-  return idx == -1 ? ::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString() :
-                     SocketControlFrame_ControlFrameType_strings[idx].get();
-}
-bool SocketControlFrame_ControlFrameType_Parse(
-    ::PROTOBUF_NAMESPACE_ID::ConstStringParam name, SocketControlFrame_ControlFrameType* value) {
-  int int_value;
-  bool success = ::PROTOBUF_NAMESPACE_ID::internal::LookUpEnumValue(
-      SocketControlFrame_ControlFrameType_entries, 4, name, &int_value);
-  if (success) {
-    *value = static_cast<SocketControlFrame_ControlFrameType>(int_value);
-  }
-  return success;
-}
-#if (__cplusplus < 201703) && (!defined(_MSC_VER) || (_MSC_VER >= 1900 && _MSC_VER < 1912))
-constexpr SocketControlFrame_ControlFrameType SocketControlFrame::UNKNOWN_CONTROL_FRAME_TYPE;
-constexpr SocketControlFrame_ControlFrameType SocketControlFrame::INTRODUCTION;
-constexpr SocketControlFrame_ControlFrameType SocketControlFrame::DISCONNECTION;
-constexpr SocketControlFrame_ControlFrameType SocketControlFrame::PACKET_ACKNOWLEDGEMENT;
-constexpr SocketControlFrame_ControlFrameType SocketControlFrame::ControlFrameType_MIN;
-constexpr SocketControlFrame_ControlFrameType SocketControlFrame::ControlFrameType_MAX;
-constexpr int SocketControlFrame::ControlFrameType_ARRAYSIZE;
-#endif  // (__cplusplus < 201703) && (!defined(_MSC_VER) || (_MSC_VER >= 1900 && _MSC_VER < 1912))
-bool SocketVersion_IsValid(int value) {
-  switch (value) {
-    case 0:
-    case 1:
-    case 2:
-      return true;
-    default:
-      return false;
-  }
-}
-
-static ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<std::string> SocketVersion_strings[3] = {};
-
-static const char SocketVersion_names[] =
-  "UNKNOWN_SOCKET_VERSION"
-  "V1"
-  "V2";
-
-static const ::PROTOBUF_NAMESPACE_ID::internal::EnumEntry SocketVersion_entries[] = {
-  { {SocketVersion_names + 0, 22}, 0 },
-  { {SocketVersion_names + 22, 2}, 1 },
-  { {SocketVersion_names + 24, 2}, 2 },
-};
-
-static const int SocketVersion_entries_by_number[] = {
-  0, // 0 -> UNKNOWN_SOCKET_VERSION
-  1, // 1 -> V1
-  2, // 2 -> V2
-};
-
-const std::string& SocketVersion_Name(
-    SocketVersion value) {
-  static const bool dummy =
-      ::PROTOBUF_NAMESPACE_ID::internal::InitializeEnumStrings(
-          SocketVersion_entries,
-          SocketVersion_entries_by_number,
-          3, SocketVersion_strings);
-  (void) dummy;
-  int idx = ::PROTOBUF_NAMESPACE_ID::internal::LookUpEnumName(
-      SocketVersion_entries,
-      SocketVersion_entries_by_number,
-      3, value);
-  return idx == -1 ? ::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString() :
-                     SocketVersion_strings[idx].get();
-}
-bool SocketVersion_Parse(
-    ::PROTOBUF_NAMESPACE_ID::ConstStringParam name, SocketVersion* value) {
-  int int_value;
-  bool success = ::PROTOBUF_NAMESPACE_ID::internal::LookUpEnumValue(
-      SocketVersion_entries, 3, name, &int_value);
-  if (success) {
-    *value = static_cast<SocketVersion>(int_value);
-  }
-  return success;
-}
-
-// ===================================================================
-
-class SocketControlFrame::_Internal {
- public:
-  using HasBits = decltype(std::declval<SocketControlFrame>()._has_bits_);
-  static void set_has_type(HasBits* has_bits) {
-    (*has_bits)[0] |= 8u;
-  }
-  static const ::location::nearby::mediums::IntroductionFrame& introduction(const SocketControlFrame* msg);
-  static void set_has_introduction(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-  static const ::location::nearby::mediums::DisconnectionFrame& disconnection(const SocketControlFrame* msg);
-  static void set_has_disconnection(HasBits* has_bits) {
-    (*has_bits)[0] |= 2u;
-  }
-  static const ::location::nearby::mediums::PacketAcknowledgementFrame& packet_acknowledgement(const SocketControlFrame* msg);
-  static void set_has_packet_acknowledgement(HasBits* has_bits) {
-    (*has_bits)[0] |= 4u;
-  }
-};
-
-const ::location::nearby::mediums::IntroductionFrame&
-SocketControlFrame::_Internal::introduction(const SocketControlFrame* msg) {
-  return *msg->introduction_;
-}
-const ::location::nearby::mediums::DisconnectionFrame&
-SocketControlFrame::_Internal::disconnection(const SocketControlFrame* msg) {
-  return *msg->disconnection_;
-}
-const ::location::nearby::mediums::PacketAcknowledgementFrame&
-SocketControlFrame::_Internal::packet_acknowledgement(const SocketControlFrame* msg) {
-  return *msg->packet_acknowledgement_;
-}
-SocketControlFrame::SocketControlFrame(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                         bool is_message_owned)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(arena, is_message_owned) {
-  SharedCtor();
-  if (!is_message_owned) {
-    RegisterArenaDtor(arena);
-  }
-  // @@protoc_insertion_point(arena_constructor:location.nearby.mediums.SocketControlFrame)
-}
-SocketControlFrame::SocketControlFrame(const SocketControlFrame& from)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(),
-      _has_bits_(from._has_bits_) {
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-  if (from._internal_has_introduction()) {
-    introduction_ = new ::location::nearby::mediums::IntroductionFrame(*from.introduction_);
-  } else {
-    introduction_ = nullptr;
-  }
-  if (from._internal_has_disconnection()) {
-    disconnection_ = new ::location::nearby::mediums::DisconnectionFrame(*from.disconnection_);
-  } else {
-    disconnection_ = nullptr;
-  }
-  if (from._internal_has_packet_acknowledgement()) {
-    packet_acknowledgement_ = new ::location::nearby::mediums::PacketAcknowledgementFrame(*from.packet_acknowledgement_);
-  } else {
-    packet_acknowledgement_ = nullptr;
-  }
-  type_ = from.type_;
-  // @@protoc_insertion_point(copy_constructor:location.nearby.mediums.SocketControlFrame)
-}
-
-inline void SocketControlFrame::SharedCtor() {
-::memset(reinterpret_cast<char*>(this) + static_cast<size_t>(
-    reinterpret_cast<char*>(&introduction_) - reinterpret_cast<char*>(this)),
-    0, static_cast<size_t>(reinterpret_cast<char*>(&type_) -
-    reinterpret_cast<char*>(&introduction_)) + sizeof(type_));
-}
-
-SocketControlFrame::~SocketControlFrame() {
-  // @@protoc_insertion_point(destructor:location.nearby.mediums.SocketControlFrame)
-  if (GetArenaForAllocation() != nullptr) return;
-  SharedDtor();
-  _internal_metadata_.Delete<std::string>();
-}
-
-inline void SocketControlFrame::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-  if (this != internal_default_instance()) delete introduction_;
-  if (this != internal_default_instance()) delete disconnection_;
-  if (this != internal_default_instance()) delete packet_acknowledgement_;
-}
-
-void SocketControlFrame::ArenaDtor(void* object) {
-  SocketControlFrame* _this = reinterpret_cast< SocketControlFrame* >(object);
-  (void)_this;
-}
-void SocketControlFrame::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
-}
-void SocketControlFrame::SetCachedSize(int size) const {
-  _cached_size_.Set(size);
-}
-
-void SocketControlFrame::Clear() {
-// @@protoc_insertion_point(message_clear_start:location.nearby.mediums.SocketControlFrame)
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x00000007u) {
-    if (cached_has_bits & 0x00000001u) {
-      GOOGLE_DCHECK(introduction_ != nullptr);
-      introduction_->Clear();
-    }
-    if (cached_has_bits & 0x00000002u) {
-      GOOGLE_DCHECK(disconnection_ != nullptr);
-      disconnection_->Clear();
-    }
-    if (cached_has_bits & 0x00000004u) {
-      GOOGLE_DCHECK(packet_acknowledgement_ != nullptr);
-      packet_acknowledgement_->Clear();
-    }
-  }
-  type_ = 0;
-  _has_bits_.Clear();
-  _internal_metadata_.Clear<std::string>();
-}
-
-const char* SocketControlFrame::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
-#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
-  while (!ctx->Done(&ptr)) {
-    uint32_t tag;
-    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
-    switch (tag >> 3) {
-      // optional .location.nearby.mediums.SocketControlFrame.ControlFrameType type = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 8)) {
-          uint64_t val = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
-          CHK_(ptr);
-          if (PROTOBUF_PREDICT_TRUE(::location::nearby::mediums::SocketControlFrame_ControlFrameType_IsValid(val))) {
-            _internal_set_type(static_cast<::location::nearby::mediums::SocketControlFrame_ControlFrameType>(val));
-          } else {
-            ::PROTOBUF_NAMESPACE_ID::internal::WriteVarint(1, val, mutable_unknown_fields());
-          }
-        } else
-          goto handle_unusual;
-        continue;
-      // optional .location.nearby.mediums.IntroductionFrame introduction = 2;
-      case 2:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 18)) {
-          ptr = ctx->ParseMessage(_internal_mutable_introduction(), ptr);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // optional .location.nearby.mediums.DisconnectionFrame disconnection = 3;
-      case 3:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 26)) {
-          ptr = ctx->ParseMessage(_internal_mutable_disconnection(), ptr);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // optional .location.nearby.mediums.PacketAcknowledgementFrame packet_acknowledgement = 4;
-      case 4:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 34)) {
-          ptr = ctx->ParseMessage(_internal_mutable_packet_acknowledgement(), ptr);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      default:
-        goto handle_unusual;
-    }  // switch
-  handle_unusual:
-    if ((tag == 0) || ((tag & 7) == 4)) {
-      CHK_(ptr);
-      ctx->SetLastTag(tag);
-      goto message_done;
-    }
-    ptr = UnknownFieldParse(
-        tag,
-        _internal_metadata_.mutable_unknown_fields<std::string>(),
-        ptr, ctx);
-    CHK_(ptr != nullptr);
-  }  // while
-message_done:
-  _has_bits_.Or(has_bits);
-  return ptr;
-failure:
-  ptr = nullptr;
-  goto message_done;
-#undef CHK_
-}
-
-uint8_t* SocketControlFrame::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:location.nearby.mediums.SocketControlFrame)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  // optional .location.nearby.mediums.SocketControlFrame.ControlFrameType type = 1;
-  if (cached_has_bits & 0x00000008u) {
-    target = stream->EnsureSpace(target);
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteEnumToArray(
-      1, this->_internal_type(), target);
-  }
-
-  // optional .location.nearby.mediums.IntroductionFrame introduction = 2;
-  if (cached_has_bits & 0x00000001u) {
-    target = stream->EnsureSpace(target);
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
-      InternalWriteMessage(
-        2, _Internal::introduction(this), target, stream);
-  }
-
-  // optional .location.nearby.mediums.DisconnectionFrame disconnection = 3;
-  if (cached_has_bits & 0x00000002u) {
-    target = stream->EnsureSpace(target);
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
-      InternalWriteMessage(
-        3, _Internal::disconnection(this), target, stream);
-  }
-
-  // optional .location.nearby.mediums.PacketAcknowledgementFrame packet_acknowledgement = 4;
-  if (cached_has_bits & 0x00000004u) {
-    target = stream->EnsureSpace(target);
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
-      InternalWriteMessage(
-        4, _Internal::packet_acknowledgement(this), target, stream);
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    target = stream->WriteRaw(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).data(),
-        static_cast<int>(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size()), target);
-  }
-  // @@protoc_insertion_point(serialize_to_array_end:location.nearby.mediums.SocketControlFrame)
-  return target;
-}
-
-size_t SocketControlFrame::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:location.nearby.mediums.SocketControlFrame)
-  size_t total_size = 0;
-
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x0000000fu) {
-    // optional .location.nearby.mediums.IntroductionFrame introduction = 2;
-    if (cached_has_bits & 0x00000001u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
-          *introduction_);
-    }
-
-    // optional .location.nearby.mediums.DisconnectionFrame disconnection = 3;
-    if (cached_has_bits & 0x00000002u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
-          *disconnection_);
-    }
-
-    // optional .location.nearby.mediums.PacketAcknowledgementFrame packet_acknowledgement = 4;
-    if (cached_has_bits & 0x00000004u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
-          *packet_acknowledgement_);
-    }
-
-    // optional .location.nearby.mediums.SocketControlFrame.ControlFrameType type = 1;
-    if (cached_has_bits & 0x00000008u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::EnumSize(this->_internal_type());
-    }
-
-  }
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    total_size += _internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size();
-  }
-  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
-  SetCachedSize(cached_size);
-  return total_size;
-}
-
-void SocketControlFrame::CheckTypeAndMergeFrom(
-    const ::PROTOBUF_NAMESPACE_ID::MessageLite& from) {
-  MergeFrom(*::PROTOBUF_NAMESPACE_ID::internal::DownCast<const SocketControlFrame*>(
-      &from));
-}
-
-void SocketControlFrame::MergeFrom(const SocketControlFrame& from) {
-// @@protoc_insertion_point(class_specific_merge_from_start:location.nearby.mediums.SocketControlFrame)
-  GOOGLE_DCHECK_NE(&from, this);
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = from._has_bits_[0];
-  if (cached_has_bits & 0x0000000fu) {
-    if (cached_has_bits & 0x00000001u) {
-      _internal_mutable_introduction()->::location::nearby::mediums::IntroductionFrame::MergeFrom(from._internal_introduction());
-    }
-    if (cached_has_bits & 0x00000002u) {
-      _internal_mutable_disconnection()->::location::nearby::mediums::DisconnectionFrame::MergeFrom(from._internal_disconnection());
-    }
-    if (cached_has_bits & 0x00000004u) {
-      _internal_mutable_packet_acknowledgement()->::location::nearby::mediums::PacketAcknowledgementFrame::MergeFrom(from._internal_packet_acknowledgement());
-    }
-    if (cached_has_bits & 0x00000008u) {
-      type_ = from.type_;
-    }
-    _has_bits_[0] |= cached_has_bits;
-  }
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-}
-
-void SocketControlFrame::CopyFrom(const SocketControlFrame& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:location.nearby.mediums.SocketControlFrame)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool SocketControlFrame::IsInitialized() const {
-  return true;
-}
-
-void SocketControlFrame::InternalSwap(SocketControlFrame* other) {
-  using std::swap;
-  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_has_bits_[0], other->_has_bits_[0]);
-  ::PROTOBUF_NAMESPACE_ID::internal::memswap<
-      PROTOBUF_FIELD_OFFSET(SocketControlFrame, type_)
-      + sizeof(SocketControlFrame::type_)
-      - PROTOBUF_FIELD_OFFSET(SocketControlFrame, introduction_)>(
-          reinterpret_cast<char*>(&introduction_),
-          reinterpret_cast<char*>(&other->introduction_));
-}
-
-std::string SocketControlFrame::GetTypeName() const {
-  return "location.nearby.mediums.SocketControlFrame";
-}
-
-
-// ===================================================================
-
-class IntroductionFrame::_Internal {
- public:
-  using HasBits = decltype(std::declval<IntroductionFrame>()._has_bits_);
-  static void set_has_service_id_hash(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-  static void set_has_socket_version(HasBits* has_bits) {
-    (*has_bits)[0] |= 2u;
-  }
-};
-
-IntroductionFrame::IntroductionFrame(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                         bool is_message_owned)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(arena, is_message_owned) {
-  SharedCtor();
-  if (!is_message_owned) {
-    RegisterArenaDtor(arena);
-  }
-  // @@protoc_insertion_point(arena_constructor:location.nearby.mediums.IntroductionFrame)
-}
-IntroductionFrame::IntroductionFrame(const IntroductionFrame& from)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(),
-      _has_bits_(from._has_bits_) {
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-  service_id_hash_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    service_id_hash_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_service_id_hash()) {
-    service_id_hash_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_service_id_hash(), 
-      GetArenaForAllocation());
-  }
-  socket_version_ = from.socket_version_;
-  // @@protoc_insertion_point(copy_constructor:location.nearby.mediums.IntroductionFrame)
-}
-
-inline void IntroductionFrame::SharedCtor() {
-service_id_hash_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  service_id_hash_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-socket_version_ = 0;
-}
-
-IntroductionFrame::~IntroductionFrame() {
-  // @@protoc_insertion_point(destructor:location.nearby.mediums.IntroductionFrame)
-  if (GetArenaForAllocation() != nullptr) return;
-  SharedDtor();
-  _internal_metadata_.Delete<std::string>();
-}
-
-inline void IntroductionFrame::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-  service_id_hash_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-
-void IntroductionFrame::ArenaDtor(void* object) {
-  IntroductionFrame* _this = reinterpret_cast< IntroductionFrame* >(object);
-  (void)_this;
-}
-void IntroductionFrame::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
-}
-void IntroductionFrame::SetCachedSize(int size) const {
-  _cached_size_.Set(size);
-}
-
-void IntroductionFrame::Clear() {
-// @@protoc_insertion_point(message_clear_start:location.nearby.mediums.IntroductionFrame)
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x00000001u) {
-    service_id_hash_.ClearNonDefaultToEmpty();
-  }
-  socket_version_ = 0;
-  _has_bits_.Clear();
-  _internal_metadata_.Clear<std::string>();
-}
-
-const char* IntroductionFrame::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
-#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
-  while (!ctx->Done(&ptr)) {
-    uint32_t tag;
-    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
-    switch (tag >> 3) {
-      // optional bytes service_id_hash = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
-          auto str = _internal_mutable_service_id_hash();
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // optional .location.nearby.mediums.SocketVersion socket_version = 2;
-      case 2:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 16)) {
-          uint64_t val = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
-          CHK_(ptr);
-          if (PROTOBUF_PREDICT_TRUE(::location::nearby::mediums::SocketVersion_IsValid(val))) {
-            _internal_set_socket_version(static_cast<::location::nearby::mediums::SocketVersion>(val));
-          } else {
-            ::PROTOBUF_NAMESPACE_ID::internal::WriteVarint(2, val, mutable_unknown_fields());
-          }
-        } else
-          goto handle_unusual;
-        continue;
-      default:
-        goto handle_unusual;
-    }  // switch
-  handle_unusual:
-    if ((tag == 0) || ((tag & 7) == 4)) {
-      CHK_(ptr);
-      ctx->SetLastTag(tag);
-      goto message_done;
-    }
-    ptr = UnknownFieldParse(
-        tag,
-        _internal_metadata_.mutable_unknown_fields<std::string>(),
-        ptr, ctx);
-    CHK_(ptr != nullptr);
-  }  // while
-message_done:
-  _has_bits_.Or(has_bits);
-  return ptr;
-failure:
-  ptr = nullptr;
-  goto message_done;
-#undef CHK_
-}
-
-uint8_t* IntroductionFrame::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:location.nearby.mediums.IntroductionFrame)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  // optional bytes service_id_hash = 1;
-  if (cached_has_bits & 0x00000001u) {
-    target = stream->WriteBytesMaybeAliased(
-        1, this->_internal_service_id_hash(), target);
-  }
-
-  // optional .location.nearby.mediums.SocketVersion socket_version = 2;
-  if (cached_has_bits & 0x00000002u) {
-    target = stream->EnsureSpace(target);
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteEnumToArray(
-      2, this->_internal_socket_version(), target);
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    target = stream->WriteRaw(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).data(),
-        static_cast<int>(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size()), target);
-  }
-  // @@protoc_insertion_point(serialize_to_array_end:location.nearby.mediums.IntroductionFrame)
-  return target;
-}
-
-size_t IntroductionFrame::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:location.nearby.mediums.IntroductionFrame)
-  size_t total_size = 0;
-
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x00000003u) {
-    // optional bytes service_id_hash = 1;
-    if (cached_has_bits & 0x00000001u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
-          this->_internal_service_id_hash());
-    }
-
-    // optional .location.nearby.mediums.SocketVersion socket_version = 2;
-    if (cached_has_bits & 0x00000002u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::EnumSize(this->_internal_socket_version());
-    }
-
-  }
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    total_size += _internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size();
-  }
-  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
-  SetCachedSize(cached_size);
-  return total_size;
-}
-
-void IntroductionFrame::CheckTypeAndMergeFrom(
-    const ::PROTOBUF_NAMESPACE_ID::MessageLite& from) {
-  MergeFrom(*::PROTOBUF_NAMESPACE_ID::internal::DownCast<const IntroductionFrame*>(
-      &from));
-}
-
-void IntroductionFrame::MergeFrom(const IntroductionFrame& from) {
-// @@protoc_insertion_point(class_specific_merge_from_start:location.nearby.mediums.IntroductionFrame)
-  GOOGLE_DCHECK_NE(&from, this);
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = from._has_bits_[0];
-  if (cached_has_bits & 0x00000003u) {
-    if (cached_has_bits & 0x00000001u) {
-      _internal_set_service_id_hash(from._internal_service_id_hash());
-    }
-    if (cached_has_bits & 0x00000002u) {
-      socket_version_ = from.socket_version_;
-    }
-    _has_bits_[0] |= cached_has_bits;
-  }
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-}
-
-void IntroductionFrame::CopyFrom(const IntroductionFrame& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:location.nearby.mediums.IntroductionFrame)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool IntroductionFrame::IsInitialized() const {
-  return true;
-}
-
-void IntroductionFrame::InternalSwap(IntroductionFrame* other) {
-  using std::swap;
-  auto* lhs_arena = GetArenaForAllocation();
-  auto* rhs_arena = other->GetArenaForAllocation();
-  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_has_bits_[0], other->_has_bits_[0]);
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      &service_id_hash_, lhs_arena,
-      &other->service_id_hash_, rhs_arena
-  );
-  swap(socket_version_, other->socket_version_);
-}
-
-std::string IntroductionFrame::GetTypeName() const {
-  return "location.nearby.mediums.IntroductionFrame";
-}
-
-
-// ===================================================================
-
-class DisconnectionFrame::_Internal {
- public:
-  using HasBits = decltype(std::declval<DisconnectionFrame>()._has_bits_);
-  static void set_has_service_id_hash(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-};
-
-DisconnectionFrame::DisconnectionFrame(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                         bool is_message_owned)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(arena, is_message_owned) {
-  SharedCtor();
-  if (!is_message_owned) {
-    RegisterArenaDtor(arena);
-  }
-  // @@protoc_insertion_point(arena_constructor:location.nearby.mediums.DisconnectionFrame)
-}
-DisconnectionFrame::DisconnectionFrame(const DisconnectionFrame& from)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(),
-      _has_bits_(from._has_bits_) {
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-  service_id_hash_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    service_id_hash_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_service_id_hash()) {
-    service_id_hash_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_service_id_hash(), 
-      GetArenaForAllocation());
-  }
-  // @@protoc_insertion_point(copy_constructor:location.nearby.mediums.DisconnectionFrame)
-}
-
-inline void DisconnectionFrame::SharedCtor() {
-service_id_hash_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  service_id_hash_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-}
-
-DisconnectionFrame::~DisconnectionFrame() {
-  // @@protoc_insertion_point(destructor:location.nearby.mediums.DisconnectionFrame)
-  if (GetArenaForAllocation() != nullptr) return;
-  SharedDtor();
-  _internal_metadata_.Delete<std::string>();
-}
-
-inline void DisconnectionFrame::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-  service_id_hash_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-
-void DisconnectionFrame::ArenaDtor(void* object) {
-  DisconnectionFrame* _this = reinterpret_cast< DisconnectionFrame* >(object);
-  (void)_this;
-}
-void DisconnectionFrame::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
-}
-void DisconnectionFrame::SetCachedSize(int size) const {
-  _cached_size_.Set(size);
-}
-
-void DisconnectionFrame::Clear() {
-// @@protoc_insertion_point(message_clear_start:location.nearby.mediums.DisconnectionFrame)
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x00000001u) {
-    service_id_hash_.ClearNonDefaultToEmpty();
-  }
-  _has_bits_.Clear();
-  _internal_metadata_.Clear<std::string>();
-}
-
-const char* DisconnectionFrame::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
-#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
-  while (!ctx->Done(&ptr)) {
-    uint32_t tag;
-    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
-    switch (tag >> 3) {
-      // optional bytes service_id_hash = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
-          auto str = _internal_mutable_service_id_hash();
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      default:
-        goto handle_unusual;
-    }  // switch
-  handle_unusual:
-    if ((tag == 0) || ((tag & 7) == 4)) {
-      CHK_(ptr);
-      ctx->SetLastTag(tag);
-      goto message_done;
-    }
-    ptr = UnknownFieldParse(
-        tag,
-        _internal_metadata_.mutable_unknown_fields<std::string>(),
-        ptr, ctx);
-    CHK_(ptr != nullptr);
-  }  // while
-message_done:
-  _has_bits_.Or(has_bits);
-  return ptr;
-failure:
-  ptr = nullptr;
-  goto message_done;
-#undef CHK_
-}
-
-uint8_t* DisconnectionFrame::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:location.nearby.mediums.DisconnectionFrame)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  // optional bytes service_id_hash = 1;
-  if (cached_has_bits & 0x00000001u) {
-    target = stream->WriteBytesMaybeAliased(
-        1, this->_internal_service_id_hash(), target);
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    target = stream->WriteRaw(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).data(),
-        static_cast<int>(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size()), target);
-  }
-  // @@protoc_insertion_point(serialize_to_array_end:location.nearby.mediums.DisconnectionFrame)
-  return target;
-}
-
-size_t DisconnectionFrame::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:location.nearby.mediums.DisconnectionFrame)
-  size_t total_size = 0;
-
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  // optional bytes service_id_hash = 1;
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x00000001u) {
-    total_size += 1 +
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
-        this->_internal_service_id_hash());
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    total_size += _internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size();
-  }
-  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
-  SetCachedSize(cached_size);
-  return total_size;
-}
-
-void DisconnectionFrame::CheckTypeAndMergeFrom(
-    const ::PROTOBUF_NAMESPACE_ID::MessageLite& from) {
-  MergeFrom(*::PROTOBUF_NAMESPACE_ID::internal::DownCast<const DisconnectionFrame*>(
-      &from));
-}
-
-void DisconnectionFrame::MergeFrom(const DisconnectionFrame& from) {
-// @@protoc_insertion_point(class_specific_merge_from_start:location.nearby.mediums.DisconnectionFrame)
-  GOOGLE_DCHECK_NE(&from, this);
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  if (from._internal_has_service_id_hash()) {
-    _internal_set_service_id_hash(from._internal_service_id_hash());
-  }
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-}
-
-void DisconnectionFrame::CopyFrom(const DisconnectionFrame& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:location.nearby.mediums.DisconnectionFrame)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool DisconnectionFrame::IsInitialized() const {
-  return true;
-}
-
-void DisconnectionFrame::InternalSwap(DisconnectionFrame* other) {
-  using std::swap;
-  auto* lhs_arena = GetArenaForAllocation();
-  auto* rhs_arena = other->GetArenaForAllocation();
-  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_has_bits_[0], other->_has_bits_[0]);
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      &service_id_hash_, lhs_arena,
-      &other->service_id_hash_, rhs_arena
-  );
-}
-
-std::string DisconnectionFrame::GetTypeName() const {
-  return "location.nearby.mediums.DisconnectionFrame";
-}
-
-
-// ===================================================================
-
-class PacketAcknowledgementFrame::_Internal {
- public:
-  using HasBits = decltype(std::declval<PacketAcknowledgementFrame>()._has_bits_);
-  static void set_has_service_id_hash(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-  static void set_has_received_size(HasBits* has_bits) {
-    (*has_bits)[0] |= 2u;
-  }
-};
-
-PacketAcknowledgementFrame::PacketAcknowledgementFrame(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                         bool is_message_owned)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(arena, is_message_owned) {
-  SharedCtor();
-  if (!is_message_owned) {
-    RegisterArenaDtor(arena);
-  }
-  // @@protoc_insertion_point(arena_constructor:location.nearby.mediums.PacketAcknowledgementFrame)
-}
-PacketAcknowledgementFrame::PacketAcknowledgementFrame(const PacketAcknowledgementFrame& from)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(),
-      _has_bits_(from._has_bits_) {
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-  service_id_hash_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    service_id_hash_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_service_id_hash()) {
-    service_id_hash_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_service_id_hash(), 
-      GetArenaForAllocation());
-  }
-  received_size_ = from.received_size_;
-  // @@protoc_insertion_point(copy_constructor:location.nearby.mediums.PacketAcknowledgementFrame)
-}
-
-inline void PacketAcknowledgementFrame::SharedCtor() {
-service_id_hash_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  service_id_hash_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-received_size_ = 0;
-}
-
-PacketAcknowledgementFrame::~PacketAcknowledgementFrame() {
-  // @@protoc_insertion_point(destructor:location.nearby.mediums.PacketAcknowledgementFrame)
-  if (GetArenaForAllocation() != nullptr) return;
-  SharedDtor();
-  _internal_metadata_.Delete<std::string>();
-}
-
-inline void PacketAcknowledgementFrame::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-  service_id_hash_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-
-void PacketAcknowledgementFrame::ArenaDtor(void* object) {
-  PacketAcknowledgementFrame* _this = reinterpret_cast< PacketAcknowledgementFrame* >(object);
-  (void)_this;
-}
-void PacketAcknowledgementFrame::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
-}
-void PacketAcknowledgementFrame::SetCachedSize(int size) const {
-  _cached_size_.Set(size);
-}
-
-void PacketAcknowledgementFrame::Clear() {
-// @@protoc_insertion_point(message_clear_start:location.nearby.mediums.PacketAcknowledgementFrame)
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x00000001u) {
-    service_id_hash_.ClearNonDefaultToEmpty();
-  }
-  received_size_ = 0;
-  _has_bits_.Clear();
-  _internal_metadata_.Clear<std::string>();
-}
-
-const char* PacketAcknowledgementFrame::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
-#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
-  while (!ctx->Done(&ptr)) {
-    uint32_t tag;
-    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
-    switch (tag >> 3) {
-      // optional bytes service_id_hash = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
-          auto str = _internal_mutable_service_id_hash();
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // optional int32 received_size = 2;
-      case 2:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 16)) {
-          _Internal::set_has_received_size(&has_bits);
-          received_size_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      default:
-        goto handle_unusual;
-    }  // switch
-  handle_unusual:
-    if ((tag == 0) || ((tag & 7) == 4)) {
-      CHK_(ptr);
-      ctx->SetLastTag(tag);
-      goto message_done;
-    }
-    ptr = UnknownFieldParse(
-        tag,
-        _internal_metadata_.mutable_unknown_fields<std::string>(),
-        ptr, ctx);
-    CHK_(ptr != nullptr);
-  }  // while
-message_done:
-  _has_bits_.Or(has_bits);
-  return ptr;
-failure:
-  ptr = nullptr;
-  goto message_done;
-#undef CHK_
-}
-
-uint8_t* PacketAcknowledgementFrame::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:location.nearby.mediums.PacketAcknowledgementFrame)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  // optional bytes service_id_hash = 1;
-  if (cached_has_bits & 0x00000001u) {
-    target = stream->WriteBytesMaybeAliased(
-        1, this->_internal_service_id_hash(), target);
-  }
-
-  // optional int32 received_size = 2;
-  if (cached_has_bits & 0x00000002u) {
-    target = stream->EnsureSpace(target);
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteInt32ToArray(2, this->_internal_received_size(), target);
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    target = stream->WriteRaw(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).data(),
-        static_cast<int>(_internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size()), target);
-  }
-  // @@protoc_insertion_point(serialize_to_array_end:location.nearby.mediums.PacketAcknowledgementFrame)
-  return target;
-}
-
-size_t PacketAcknowledgementFrame::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:location.nearby.mediums.PacketAcknowledgementFrame)
-  size_t total_size = 0;
-
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  if (cached_has_bits & 0x00000003u) {
-    // optional bytes service_id_hash = 1;
-    if (cached_has_bits & 0x00000001u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
-          this->_internal_service_id_hash());
-    }
-
-    // optional int32 received_size = 2;
-    if (cached_has_bits & 0x00000002u) {
-      total_size += ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::Int32SizePlusOne(this->_internal_received_size());
-    }
-
-  }
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    total_size += _internal_metadata_.unknown_fields<std::string>(::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString).size();
-  }
-  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
-  SetCachedSize(cached_size);
-  return total_size;
-}
-
-void PacketAcknowledgementFrame::CheckTypeAndMergeFrom(
-    const ::PROTOBUF_NAMESPACE_ID::MessageLite& from) {
-  MergeFrom(*::PROTOBUF_NAMESPACE_ID::internal::DownCast<const PacketAcknowledgementFrame*>(
-      &from));
-}
-
-void PacketAcknowledgementFrame::MergeFrom(const PacketAcknowledgementFrame& from) {
-// @@protoc_insertion_point(class_specific_merge_from_start:location.nearby.mediums.PacketAcknowledgementFrame)
-  GOOGLE_DCHECK_NE(&from, this);
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = from._has_bits_[0];
-  if (cached_has_bits & 0x00000003u) {
-    if (cached_has_bits & 0x00000001u) {
-      _internal_set_service_id_hash(from._internal_service_id_hash());
-    }
-    if (cached_has_bits & 0x00000002u) {
-      received_size_ = from.received_size_;
-    }
-    _has_bits_[0] |= cached_has_bits;
-  }
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-}
-
-void PacketAcknowledgementFrame::CopyFrom(const PacketAcknowledgementFrame& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:location.nearby.mediums.PacketAcknowledgementFrame)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool PacketAcknowledgementFrame::IsInitialized() const {
-  return true;
-}
-
-void PacketAcknowledgementFrame::InternalSwap(PacketAcknowledgementFrame* other) {
-  using std::swap;
-  auto* lhs_arena = GetArenaForAllocation();
-  auto* rhs_arena = other->GetArenaForAllocation();
-  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_has_bits_[0], other->_has_bits_[0]);
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      &service_id_hash_, lhs_arena,
-      &other->service_id_hash_, rhs_arena
-  );
-  swap(received_size_, other->received_size_);
-}
-
-std::string PacketAcknowledgementFrame::GetTypeName() const {
-  return "location.nearby.mediums.PacketAcknowledgementFrame";
-}
-
-
-// @@protoc_insertion_point(namespace_scope)
-}  // namespace mediums
-}  // namespace nearby
-}  // namespace location
-PROTOBUF_NAMESPACE_OPEN
-template<> PROTOBUF_NOINLINE ::location::nearby::mediums::SocketControlFrame* Arena::CreateMaybeMessage< ::location::nearby::mediums::SocketControlFrame >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::location::nearby::mediums::SocketControlFrame >(arena);
-}
-template<> PROTOBUF_NOINLINE ::location::nearby::mediums::IntroductionFrame* Arena::CreateMaybeMessage< ::location::nearby::mediums::IntroductionFrame >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::location::nearby::mediums::IntroductionFrame >(arena);
-}
-template<> PROTOBUF_NOINLINE ::location::nearby::mediums::DisconnectionFrame* Arena::CreateMaybeMessage< ::location::nearby::mediums::DisconnectionFrame >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::location::nearby::mediums::DisconnectionFrame >(arena);
-}
-template<> PROTOBUF_NOINLINE ::location::nearby::mediums::PacketAcknowledgementFrame* Arena::CreateMaybeMessage< ::location::nearby::mediums::PacketAcknowledgementFrame >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::location::nearby::mediums::PacketAcknowledgementFrame >(arena);
-}
-PROTOBUF_NAMESPACE_CLOSE
-
-// @@protoc_insertion_point(global_scope)
-#include <google/protobuf/port_undef.inc>