diff --git a/proto/mediums/nfc_frames.pb.cc b/proto/mediums/nfc_frames.pb.cc
deleted file mode 100644
index 4bf6bbbf..00000000
--- a/proto/mediums/nfc_frames.pb.cc
+++ /dev/null
@@ -1,646 +0,0 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: proto/mediums/nfc_frames.proto
-
-#include "proto/mediums/nfc_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 AdvertisementData::AdvertisementData(
-  ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : tag_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string)
-  , public_key_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string){}
-struct AdvertisementDataDefaultTypeInternal {
-  constexpr AdvertisementDataDefaultTypeInternal()
-    : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
-  ~AdvertisementDataDefaultTypeInternal() {}
-  union {
-    AdvertisementData _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT AdvertisementDataDefaultTypeInternal _AdvertisementData_default_instance_;
-constexpr AdvertisementRequest::AdvertisementRequest(
-  ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : service_id_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string)
-  , endpoint_id_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string)
-  , public_key_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string){}
-struct AdvertisementRequestDefaultTypeInternal {
-  constexpr AdvertisementRequestDefaultTypeInternal()
-    : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
-  ~AdvertisementRequestDefaultTypeInternal() {}
-  union {
-    AdvertisementRequest _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT AdvertisementRequestDefaultTypeInternal _AdvertisementRequest_default_instance_;
-}  // namespace mediums
-}  // namespace nearby
-}  // namespace location
-namespace location {
-namespace nearby {
-namespace mediums {
-
-// ===================================================================
-
-class AdvertisementData::_Internal {
- public:
-  using HasBits = decltype(std::declval<AdvertisementData>()._has_bits_);
-  static void set_has_tag(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-  static void set_has_public_key(HasBits* has_bits) {
-    (*has_bits)[0] |= 2u;
-  }
-};
-
-AdvertisementData::AdvertisementData(::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.AdvertisementData)
-}
-AdvertisementData::AdvertisementData(const AdvertisementData& from)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(),
-      _has_bits_(from._has_bits_) {
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-  tag_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    tag_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_tag()) {
-    tag_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_tag(), 
-      GetArenaForAllocation());
-  }
-  public_key_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    public_key_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_public_key()) {
-    public_key_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_public_key(), 
-      GetArenaForAllocation());
-  }
-  // @@protoc_insertion_point(copy_constructor:location.nearby.mediums.AdvertisementData)
-}
-
-inline void AdvertisementData::SharedCtor() {
-tag_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  tag_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-public_key_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  public_key_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-}
-
-AdvertisementData::~AdvertisementData() {
-  // @@protoc_insertion_point(destructor:location.nearby.mediums.AdvertisementData)
-  if (GetArenaForAllocation() != nullptr) return;
-  SharedDtor();
-  _internal_metadata_.Delete<std::string>();
-}
-
-inline void AdvertisementData::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-  tag_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  public_key_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-
-void AdvertisementData::ArenaDtor(void* object) {
-  AdvertisementData* _this = reinterpret_cast< AdvertisementData* >(object);
-  (void)_this;
-}
-void AdvertisementData::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
-}
-void AdvertisementData::SetCachedSize(int size) const {
-  _cached_size_.Set(size);
-}
-
-void AdvertisementData::Clear() {
-// @@protoc_insertion_point(message_clear_start:location.nearby.mediums.AdvertisementData)
-  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) {
-    if (cached_has_bits & 0x00000001u) {
-      tag_.ClearNonDefaultToEmpty();
-    }
-    if (cached_has_bits & 0x00000002u) {
-      public_key_.ClearNonDefaultToEmpty();
-    }
-  }
-  _has_bits_.Clear();
-  _internal_metadata_.Clear<std::string>();
-}
-
-const char* AdvertisementData::_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 tag = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
-          auto str = _internal_mutable_tag();
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // optional bytes public_key = 2;
-      case 2:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 18)) {
-          auto str = _internal_mutable_public_key();
-          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* AdvertisementData::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:location.nearby.mediums.AdvertisementData)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  // optional bytes tag = 1;
-  if (cached_has_bits & 0x00000001u) {
-    target = stream->WriteBytesMaybeAliased(
-        1, this->_internal_tag(), target);
-  }
-
-  // optional bytes public_key = 2;
-  if (cached_has_bits & 0x00000002u) {
-    target = stream->WriteBytesMaybeAliased(
-        2, this->_internal_public_key(), 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.AdvertisementData)
-  return target;
-}
-
-size_t AdvertisementData::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:location.nearby.mediums.AdvertisementData)
-  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 tag = 1;
-    if (cached_has_bits & 0x00000001u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
-          this->_internal_tag());
-    }
-
-    // optional bytes public_key = 2;
-    if (cached_has_bits & 0x00000002u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
-          this->_internal_public_key());
-    }
-
-  }
-  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 AdvertisementData::CheckTypeAndMergeFrom(
-    const ::PROTOBUF_NAMESPACE_ID::MessageLite& from) {
-  MergeFrom(*::PROTOBUF_NAMESPACE_ID::internal::DownCast<const AdvertisementData*>(
-      &from));
-}
-
-void AdvertisementData::MergeFrom(const AdvertisementData& from) {
-// @@protoc_insertion_point(class_specific_merge_from_start:location.nearby.mediums.AdvertisementData)
-  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_tag(from._internal_tag());
-    }
-    if (cached_has_bits & 0x00000002u) {
-      _internal_set_public_key(from._internal_public_key());
-    }
-  }
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-}
-
-void AdvertisementData::CopyFrom(const AdvertisementData& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:location.nearby.mediums.AdvertisementData)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool AdvertisementData::IsInitialized() const {
-  return true;
-}
-
-void AdvertisementData::InternalSwap(AdvertisementData* 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(),
-      &tag_, lhs_arena,
-      &other->tag_, rhs_arena
-  );
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      &public_key_, lhs_arena,
-      &other->public_key_, rhs_arena
-  );
-}
-
-std::string AdvertisementData::GetTypeName() const {
-  return "location.nearby.mediums.AdvertisementData";
-}
-
-
-// ===================================================================
-
-class AdvertisementRequest::_Internal {
- public:
-  using HasBits = decltype(std::declval<AdvertisementRequest>()._has_bits_);
-  static void set_has_service_id(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-  static void set_has_endpoint_id(HasBits* has_bits) {
-    (*has_bits)[0] |= 2u;
-  }
-  static void set_has_public_key(HasBits* has_bits) {
-    (*has_bits)[0] |= 4u;
-  }
-};
-
-AdvertisementRequest::AdvertisementRequest(::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.AdvertisementRequest)
-}
-AdvertisementRequest::AdvertisementRequest(const AdvertisementRequest& from)
-  : ::PROTOBUF_NAMESPACE_ID::MessageLite(),
-      _has_bits_(from._has_bits_) {
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-  service_id_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    service_id_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_service_id()) {
-    service_id_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_service_id(), 
-      GetArenaForAllocation());
-  }
-  endpoint_id_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    endpoint_id_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_endpoint_id()) {
-    endpoint_id_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_endpoint_id(), 
-      GetArenaForAllocation());
-  }
-  public_key_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    public_key_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (from._internal_has_public_key()) {
-    public_key_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_public_key(), 
-      GetArenaForAllocation());
-  }
-  // @@protoc_insertion_point(copy_constructor:location.nearby.mediums.AdvertisementRequest)
-}
-
-inline void AdvertisementRequest::SharedCtor() {
-service_id_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  service_id_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-endpoint_id_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  endpoint_id_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-public_key_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  public_key_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), "", GetArenaForAllocation());
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-}
-
-AdvertisementRequest::~AdvertisementRequest() {
-  // @@protoc_insertion_point(destructor:location.nearby.mediums.AdvertisementRequest)
-  if (GetArenaForAllocation() != nullptr) return;
-  SharedDtor();
-  _internal_metadata_.Delete<std::string>();
-}
-
-inline void AdvertisementRequest::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-  service_id_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  endpoint_id_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  public_key_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-
-void AdvertisementRequest::ArenaDtor(void* object) {
-  AdvertisementRequest* _this = reinterpret_cast< AdvertisementRequest* >(object);
-  (void)_this;
-}
-void AdvertisementRequest::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
-}
-void AdvertisementRequest::SetCachedSize(int size) const {
-  _cached_size_.Set(size);
-}
-
-void AdvertisementRequest::Clear() {
-// @@protoc_insertion_point(message_clear_start:location.nearby.mediums.AdvertisementRequest)
-  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) {
-      service_id_.ClearNonDefaultToEmpty();
-    }
-    if (cached_has_bits & 0x00000002u) {
-      endpoint_id_.ClearNonDefaultToEmpty();
-    }
-    if (cached_has_bits & 0x00000004u) {
-      public_key_.ClearNonDefaultToEmpty();
-    }
-  }
-  _has_bits_.Clear();
-  _internal_metadata_.Clear<std::string>();
-}
-
-const char* AdvertisementRequest::_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 string service_id = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
-          auto str = _internal_mutable_service_id();
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // optional string endpoint_id = 2;
-      case 2:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 18)) {
-          auto str = _internal_mutable_endpoint_id();
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // optional bytes public_key = 3;
-      case 3:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 26)) {
-          auto str = _internal_mutable_public_key();
-          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* AdvertisementRequest::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:location.nearby.mediums.AdvertisementRequest)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  cached_has_bits = _has_bits_[0];
-  // optional string service_id = 1;
-  if (cached_has_bits & 0x00000001u) {
-    target = stream->WriteStringMaybeAliased(
-        1, this->_internal_service_id(), target);
-  }
-
-  // optional string endpoint_id = 2;
-  if (cached_has_bits & 0x00000002u) {
-    target = stream->WriteStringMaybeAliased(
-        2, this->_internal_endpoint_id(), target);
-  }
-
-  // optional bytes public_key = 3;
-  if (cached_has_bits & 0x00000004u) {
-    target = stream->WriteBytesMaybeAliased(
-        3, this->_internal_public_key(), 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.AdvertisementRequest)
-  return target;
-}
-
-size_t AdvertisementRequest::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:location.nearby.mediums.AdvertisementRequest)
-  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 & 0x00000007u) {
-    // optional string service_id = 1;
-    if (cached_has_bits & 0x00000001u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
-          this->_internal_service_id());
-    }
-
-    // optional string endpoint_id = 2;
-    if (cached_has_bits & 0x00000002u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
-          this->_internal_endpoint_id());
-    }
-
-    // optional bytes public_key = 3;
-    if (cached_has_bits & 0x00000004u) {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
-          this->_internal_public_key());
-    }
-
-  }
-  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 AdvertisementRequest::CheckTypeAndMergeFrom(
-    const ::PROTOBUF_NAMESPACE_ID::MessageLite& from) {
-  MergeFrom(*::PROTOBUF_NAMESPACE_ID::internal::DownCast<const AdvertisementRequest*>(
-      &from));
-}
-
-void AdvertisementRequest::MergeFrom(const AdvertisementRequest& from) {
-// @@protoc_insertion_point(class_specific_merge_from_start:location.nearby.mediums.AdvertisementRequest)
-  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 & 0x00000007u) {
-    if (cached_has_bits & 0x00000001u) {
-      _internal_set_service_id(from._internal_service_id());
-    }
-    if (cached_has_bits & 0x00000002u) {
-      _internal_set_endpoint_id(from._internal_endpoint_id());
-    }
-    if (cached_has_bits & 0x00000004u) {
-      _internal_set_public_key(from._internal_public_key());
-    }
-  }
-  _internal_metadata_.MergeFrom<std::string>(from._internal_metadata_);
-}
-
-void AdvertisementRequest::CopyFrom(const AdvertisementRequest& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:location.nearby.mediums.AdvertisementRequest)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool AdvertisementRequest::IsInitialized() const {
-  return true;
-}
-
-void AdvertisementRequest::InternalSwap(AdvertisementRequest* 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_, lhs_arena,
-      &other->service_id_, rhs_arena
-  );
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      &endpoint_id_, lhs_arena,
-      &other->endpoint_id_, rhs_arena
-  );
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      &public_key_, lhs_arena,
-      &other->public_key_, rhs_arena
-  );
-}
-
-std::string AdvertisementRequest::GetTypeName() const {
-  return "location.nearby.mediums.AdvertisementRequest";
-}
-
-
-// @@protoc_insertion_point(namespace_scope)
-}  // namespace mediums
-}  // namespace nearby
-}  // namespace location
-PROTOBUF_NAMESPACE_OPEN
-template<> PROTOBUF_NOINLINE ::location::nearby::mediums::AdvertisementData* Arena::CreateMaybeMessage< ::location::nearby::mediums::AdvertisementData >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::location::nearby::mediums::AdvertisementData >(arena);
-}
-template<> PROTOBUF_NOINLINE ::location::nearby::mediums::AdvertisementRequest* Arena::CreateMaybeMessage< ::location::nearby::mediums::AdvertisementRequest >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::location::nearby::mediums::AdvertisementRequest >(arena);
-}
-PROTOBUF_NAMESPACE_CLOSE
-
-// @@protoc_insertion_point(global_scope)
-#include <google/protobuf/port_undef.inc>