diff --git a/rslib/backend.proto b/rslib/backend.proto
index a3966e47a..a99743240 100644
--- a/rslib/backend.proto
+++ b/rslib/backend.proto
@@ -8,215 +8,216 @@ package BackendProto;
 message Empty {}
 
 message OptionalInt32 {
-    sint32 val = 1;
+  sint32 val = 1;
 }
 
 message OptionalUInt32 {
-    uint32 val = 1;
+  uint32 val = 1;
 }
 
 message Int32 {
-    sint32 val = 1;
+  sint32 val = 1;
 }
 
 message UInt32 {
-    uint32 val = 1;
+  uint32 val = 1;
 }
 
 message Int64 {
-    int64 val = 1;
+  int64 val = 1;
 }
 
 message String {
-    string val = 1;
+  string val = 1;
 }
 
 message Json {
-    bytes json = 1;
+  bytes json = 1;
 }
 
 message Bool {
-    bool val = 1;
+  bool val = 1;
 }
 
 // IDs used in RPC calls
 ///////////////////////////////////////////////////////////
 
 message NoteTypeID {
-    int64 ntid = 1;
+  int64 ntid = 1;
 }
 
 message NoteID {
-    int64 nid = 1;
+  int64 nid = 1;
 }
 
 message CardID {
-    int64 cid = 1;
+  int64 cid = 1;
 }
 
 message CardIDs {
-    repeated int64 cids = 1;
+  repeated int64 cids = 1;
 }
 
 message DeckID {
-    int64 did = 1;
+  int64 did = 1;
 }
 
 message DeckConfigID {
-    int64 dcid = 1;
+  int64 dcid = 1;
 }
 
 // New style RPC definitions
 ///////////////////////////////////////////////////////////
 
 service BackendService {
-    rpc LatestProgress (Empty) returns (Progress);
-    rpc SetWantsAbort (Empty) returns (Empty);
+  rpc LatestProgress(Empty) returns (Progress);
+  rpc SetWantsAbort(Empty) returns (Empty);
 
-    // card rendering
+  // card rendering
 
-    rpc ExtractAVTags (ExtractAVTagsIn) returns (ExtractAVTagsOut);
-    rpc ExtractLatex (ExtractLatexIn) returns (ExtractLatexOut);
-    rpc GetEmptyCards (Empty) returns (EmptyCardsReport);
-    rpc RenderExistingCard (RenderExistingCardIn) returns (RenderCardOut);
-    rpc RenderUncommittedCard (RenderUncommittedCardIn) returns (RenderCardOut);
-    rpc StripAVTags (String) returns (String);
+  rpc ExtractAVTags(ExtractAVTagsIn) returns (ExtractAVTagsOut);
+  rpc ExtractLatex(ExtractLatexIn) returns (ExtractLatexOut);
+  rpc GetEmptyCards(Empty) returns (EmptyCardsReport);
+  rpc RenderExistingCard(RenderExistingCardIn) returns (RenderCardOut);
+  rpc RenderUncommittedCard(RenderUncommittedCardIn) returns (RenderCardOut);
+  rpc StripAVTags(String) returns (String);
 
-    // searching
+  // searching
 
-    rpc NormalizeSearch (String) returns (String);
-    rpc SearchCards (SearchCardsIn) returns (SearchCardsOut);
-    rpc SearchNotes (SearchNotesIn) returns (SearchNotesOut);
-    rpc NegateSearch (String) returns (String);
-    rpc ConcatenateSearches (ConcatenateSearchesIn) returns (String);
-    rpc ReplaceSearchTerm (ReplaceSearchTermIn) returns (String);
-    rpc FindAndReplace (FindAndReplaceIn) returns (UInt32);
+  rpc NormalizeSearch(String) returns (String);
+  rpc SearchCards(SearchCardsIn) returns (SearchCardsOut);
+  rpc SearchNotes(SearchNotesIn) returns (SearchNotesOut);
+  rpc NegateSearch(String) returns (String);
+  rpc ConcatenateSearches(ConcatenateSearchesIn) returns (String);
+  rpc ReplaceSearchTerm(ReplaceSearchTermIn) returns (String);
+  rpc FindAndReplace(FindAndReplaceIn) returns (UInt32);
 
-    // scheduling
+  // scheduling
 
-    rpc LocalMinutesWest (Int64) returns (Int32);
-    rpc SetLocalMinutesWest (Int32) returns (Empty);
-    rpc SchedTimingToday (Empty) returns (SchedTimingTodayOut);
-    rpc StudiedToday (Empty) returns (String);
-    rpc StudiedTodayMessage (StudiedTodayMessageIn) returns (String);
-    rpc UpdateStats (UpdateStatsIn) returns (Empty);
-    rpc ExtendLimits (ExtendLimitsIn) returns (Empty);
-    rpc CountsForDeckToday (DeckID) returns (CountsForDeckTodayOut);
-    rpc CongratsInfo (Empty) returns (CongratsInfoOut);
-    rpc RestoreBuriedAndSuspendedCards (CardIDs) returns (Empty);
-    rpc UnburyCardsInCurrentDeck (UnburyCardsInCurrentDeckIn) returns (Empty);
-    rpc BuryOrSuspendCards (BuryOrSuspendCardsIn) returns (Empty);
-    rpc EmptyFilteredDeck (DeckID) returns (Empty);
-    rpc RebuildFilteredDeck (DeckID) returns (UInt32);
-    rpc ScheduleCardsAsReviews (ScheduleCardsAsReviewsIn) returns (Empty);
-    rpc ScheduleCardsAsNew (ScheduleCardsAsNewIn) returns (Empty);
-    rpc SortCards (SortCardsIn) returns (Empty);
-    rpc SortDeck (SortDeckIn) returns (Empty);
+  rpc LocalMinutesWest(Int64) returns (Int32);
+  rpc SetLocalMinutesWest(Int32) returns (Empty);
+  rpc SchedTimingToday(Empty) returns (SchedTimingTodayOut);
+  rpc StudiedToday(Empty) returns (String);
+  rpc StudiedTodayMessage(StudiedTodayMessageIn) returns (String);
+  rpc UpdateStats(UpdateStatsIn) returns (Empty);
+  rpc ExtendLimits(ExtendLimitsIn) returns (Empty);
+  rpc CountsForDeckToday(DeckID) returns (CountsForDeckTodayOut);
+  rpc CongratsInfo(Empty) returns (CongratsInfoOut);
+  rpc RestoreBuriedAndSuspendedCards(CardIDs) returns (Empty);
+  rpc UnburyCardsInCurrentDeck(UnburyCardsInCurrentDeckIn) returns (Empty);
+  rpc BuryOrSuspendCards(BuryOrSuspendCardsIn) returns (Empty);
+  rpc EmptyFilteredDeck(DeckID) returns (Empty);
+  rpc RebuildFilteredDeck(DeckID) returns (UInt32);
+  rpc ScheduleCardsAsReviews(ScheduleCardsAsReviewsIn) returns (Empty);
+  rpc ScheduleCardsAsNew(ScheduleCardsAsNewIn) returns (Empty);
+  rpc SortCards(SortCardsIn) returns (Empty);
+  rpc SortDeck(SortDeckIn) returns (Empty);
 
-    // stats
+  // stats
 
-    rpc CardStats (CardID) returns (String);
-    rpc Graphs(GraphsIn) returns (GraphsOut);
+  rpc CardStats(CardID) returns (String);
+  rpc Graphs(GraphsIn) returns (GraphsOut);
 
-    // media
+  // media
 
-    rpc CheckMedia (Empty) returns (CheckMediaOut);
-    rpc TrashMediaFiles (TrashMediaFilesIn) returns (Empty);
-    rpc AddMediaFile (AddMediaFileIn) returns (String);
-    rpc EmptyTrash (Empty) returns (Empty);
-    rpc RestoreTrash (Empty) returns (Empty);
+  rpc CheckMedia(Empty) returns (CheckMediaOut);
+  rpc TrashMediaFiles(TrashMediaFilesIn) returns (Empty);
+  rpc AddMediaFile(AddMediaFileIn) returns (String);
+  rpc EmptyTrash(Empty) returns (Empty);
+  rpc RestoreTrash(Empty) returns (Empty);
 
-    // decks
+  // decks
 
-    rpc AddOrUpdateDeckLegacy (AddOrUpdateDeckLegacyIn) returns (DeckID);
-    rpc DeckTree (DeckTreeIn) returns (DeckTreeNode);
-    rpc DeckTreeLegacy (Empty) returns (Json);
-    rpc GetAllDecksLegacy (Empty) returns (Json);
-    rpc GetDeckIDByName (String) returns (DeckID);
-    rpc GetDeckLegacy (DeckID) returns (Json);
-    rpc GetDeckNames (GetDeckNamesIn) returns (DeckNames);
-    rpc NewDeckLegacy (Bool) returns (Json);
-    rpc RemoveDeck (DeckID) returns (Empty);
+  rpc AddOrUpdateDeckLegacy(AddOrUpdateDeckLegacyIn) returns (DeckID);
+  rpc DeckTree(DeckTreeIn) returns (DeckTreeNode);
+  rpc DeckTreeLegacy(Empty) returns (Json);
+  rpc GetAllDecksLegacy(Empty) returns (Json);
+  rpc GetDeckIDByName(String) returns (DeckID);
+  rpc GetDeckLegacy(DeckID) returns (Json);
+  rpc GetDeckNames(GetDeckNamesIn) returns (DeckNames);
+  rpc NewDeckLegacy(Bool) returns (Json);
+  rpc RemoveDeck(DeckID) returns (Empty);
 
-    // deck config
+  // deck config
 
-    rpc AddOrUpdateDeckConfigLegacy (AddOrUpdateDeckConfigLegacyIn) returns (DeckConfigID);
-    rpc AllDeckConfigLegacy (Empty) returns (Json);
-    rpc GetDeckConfigLegacy (DeckConfigID) returns (Json);
-    rpc NewDeckConfigLegacy (Empty) returns (Json);
-    rpc RemoveDeckConfig (DeckConfigID) returns (Empty);
+  rpc AddOrUpdateDeckConfigLegacy(AddOrUpdateDeckConfigLegacyIn)
+      returns (DeckConfigID);
+  rpc AllDeckConfigLegacy(Empty) returns (Json);
+  rpc GetDeckConfigLegacy(DeckConfigID) returns (Json);
+  rpc NewDeckConfigLegacy(Empty) returns (Json);
+  rpc RemoveDeckConfig(DeckConfigID) returns (Empty);
 
-    // cards
+  // cards
 
-    rpc GetCard (CardID) returns (Card);
-    rpc UpdateCard (Card) returns (Empty);
-    rpc AddCard (Card) returns (CardID);
-    rpc RemoveCards (RemoveCardsIn) returns (Empty);
-    rpc SetDeck (SetDeckIn) returns (Empty);
+  rpc GetCard(CardID) returns (Card);
+  rpc UpdateCard(Card) returns (Empty);
+  rpc AddCard(Card) returns (CardID);
+  rpc RemoveCards(RemoveCardsIn) returns (Empty);
+  rpc SetDeck(SetDeckIn) returns (Empty);
 
-    // notes
+  // notes
 
-    rpc NewNote (NoteTypeID) returns (Note);
-    rpc AddNote (AddNoteIn) returns (NoteID);
-    rpc UpdateNote (Note) returns (Empty);
-    rpc GetNote (NoteID) returns (Note);
-    rpc RemoveNotes (RemoveNotesIn) returns (Empty);
-    rpc AddNoteTags (AddNoteTagsIn) returns (UInt32);
-    rpc UpdateNoteTags (UpdateNoteTagsIn) returns (UInt32);
-    rpc ClozeNumbersInNote (Note) returns (ClozeNumbersInNoteOut);
-    rpc AfterNoteUpdates (AfterNoteUpdatesIn) returns (Empty);
-    rpc FieldNamesForNotes (FieldNamesForNotesIn) returns (FieldNamesForNotesOut);
-    rpc NoteIsDuplicateOrEmpty (Note) returns (NoteIsDuplicateOrEmptyOut);
-    rpc CardsOfNote (NoteID) returns (CardIDs);
+  rpc NewNote(NoteTypeID) returns (Note);
+  rpc AddNote(AddNoteIn) returns (NoteID);
+  rpc UpdateNote(Note) returns (Empty);
+  rpc GetNote(NoteID) returns (Note);
+  rpc RemoveNotes(RemoveNotesIn) returns (Empty);
+  rpc AddNoteTags(AddNoteTagsIn) returns (UInt32);
+  rpc UpdateNoteTags(UpdateNoteTagsIn) returns (UInt32);
+  rpc ClozeNumbersInNote(Note) returns (ClozeNumbersInNoteOut);
+  rpc AfterNoteUpdates(AfterNoteUpdatesIn) returns (Empty);
+  rpc FieldNamesForNotes(FieldNamesForNotesIn) returns (FieldNamesForNotesOut);
+  rpc NoteIsDuplicateOrEmpty(Note) returns (NoteIsDuplicateOrEmptyOut);
+  rpc CardsOfNote(NoteID) returns (CardIDs);
 
-    // note types
+  // note types
 
-    rpc AddOrUpdateNotetype (AddOrUpdateNotetypeIn) returns (NoteTypeID);
-    rpc GetStockNotetypeLegacy (GetStockNotetypeIn) returns (Json);
-    rpc GetNotetypeLegacy (NoteTypeID) returns (Json);
-    rpc GetNotetypeNames (Empty) returns (NoteTypeNames);
-    rpc GetNotetypeNamesAndCounts (Empty) returns (NoteTypeUseCounts);
-    rpc GetNotetypeIDByName (String) returns (NoteTypeID);
-    rpc RemoveNotetype (NoteTypeID) returns (Empty);
+  rpc AddOrUpdateNotetype(AddOrUpdateNotetypeIn) returns (NoteTypeID);
+  rpc GetStockNotetypeLegacy(GetStockNotetypeIn) returns (Json);
+  rpc GetNotetypeLegacy(NoteTypeID) returns (Json);
+  rpc GetNotetypeNames(Empty) returns (NoteTypeNames);
+  rpc GetNotetypeNamesAndCounts(Empty) returns (NoteTypeUseCounts);
+  rpc GetNotetypeIDByName(String) returns (NoteTypeID);
+  rpc RemoveNotetype(NoteTypeID) returns (Empty);
 
-    // collection
+  // collection
 
-    rpc OpenCollection (OpenCollectionIn) returns (Empty);
-    rpc CloseCollection (CloseCollectionIn) returns (Empty);
-    rpc CheckDatabase (Empty) returns (CheckDatabaseOut);
+  rpc OpenCollection(OpenCollectionIn) returns (Empty);
+  rpc CloseCollection(CloseCollectionIn) returns (Empty);
+  rpc CheckDatabase(Empty) returns (CheckDatabaseOut);
 
-    // sync
+  // sync
 
-    rpc SyncMedia (SyncAuth) returns (Empty);
-    rpc AbortSync (Empty) returns (Empty);
-    rpc AbortMediaSync (Empty) returns (Empty);
-    rpc BeforeUpload (Empty) returns (Empty);
-    rpc SyncLogin (SyncLoginIn) returns (SyncAuth);
-    rpc SyncStatus (SyncAuth) returns (SyncStatusOut);
-    rpc SyncCollection (SyncAuth) returns (SyncCollectionOut);
-    rpc FullUpload (SyncAuth) returns (Empty);
-    rpc FullDownload (SyncAuth) returns (Empty);
+  rpc SyncMedia(SyncAuth) returns (Empty);
+  rpc AbortSync(Empty) returns (Empty);
+  rpc AbortMediaSync(Empty) returns (Empty);
+  rpc BeforeUpload(Empty) returns (Empty);
+  rpc SyncLogin(SyncLoginIn) returns (SyncAuth);
+  rpc SyncStatus(SyncAuth) returns (SyncStatusOut);
+  rpc SyncCollection(SyncAuth) returns (SyncCollectionOut);
+  rpc FullUpload(SyncAuth) returns (Empty);
+  rpc FullDownload(SyncAuth) returns (Empty);
 
-    // translation/messages
+  // translation/messages
 
-    rpc TranslateString (TranslateStringIn) returns (String);
-    rpc FormatTimespan (FormatTimespanIn) returns (String);
-    rpc I18nResources (Empty) returns (Json);
+  rpc TranslateString(TranslateStringIn) returns (String);
+  rpc FormatTimespan(FormatTimespanIn) returns (String);
+  rpc I18nResources(Empty) returns (Json);
 
-    // tags
+  // tags
 
-    rpc RegisterTags (RegisterTagsIn) returns (Bool);
-    rpc AllTags (Empty) returns (AllTagsOut);
+  rpc RegisterTags(RegisterTagsIn) returns (Bool);
+  rpc AllTags(Empty) returns (AllTagsOut);
 
-    // config/preferences
+  // config/preferences
 
-    rpc GetConfigJson (String) returns (Json);
-    rpc SetConfigJson (SetConfigJsonIn) returns (Empty);
-    rpc RemoveConfig (String) returns (Empty);
-    rpc SetAllConfig (Json) returns (Empty);
-    rpc GetAllConfig (Empty) returns (Json);
-    rpc GetPreferences (Empty) returns (Preferences);
-    rpc SetPreferences (Preferences) returns (Empty);
+  rpc GetConfigJson(String) returns (Json);
+  rpc SetConfigJson(SetConfigJsonIn) returns (Empty);
+  rpc RemoveConfig(String) returns (Empty);
+  rpc SetAllConfig(Json) returns (Empty);
+  rpc GetAllConfig(Empty) returns (Json);
+  rpc GetPreferences(Empty) returns (Preferences);
+  rpc SetPreferences(Preferences) returns (Empty);
 }
 
 // Protobuf stored in .anki2 files
@@ -224,887 +225,883 @@ service BackendService {
 ///////////////////////////////////////////////////////////
 
 message DeckConfigInner {
-    enum NewCardOrder {
-        NEW_CARD_ORDER_DUE = 0;
-        NEW_CARD_ORDER_RANDOM = 1;
-    }
+  enum NewCardOrder {
+    NEW_CARD_ORDER_DUE = 0;
+    NEW_CARD_ORDER_RANDOM = 1;
+  }
 
-    enum LeechAction {
-        LEECH_ACTION_SUSPEND = 0;
-        LEECH_ACTION_TAG_ONLY = 1;
-    }
+  enum LeechAction {
+    LEECH_ACTION_SUSPEND = 0;
+    LEECH_ACTION_TAG_ONLY = 1;
+  }
 
-    repeated float learn_steps = 1;
-    repeated float relearn_steps = 2;
+  repeated float learn_steps = 1;
+  repeated float relearn_steps = 2;
 
-    reserved 3 to 8;
+  reserved 3 to 8;
 
-    uint32 new_per_day = 9;
-    uint32 reviews_per_day = 10;
+  uint32 new_per_day = 9;
+  uint32 reviews_per_day = 10;
 
-    float initial_ease = 11;
-    float easy_multiplier = 12;
-    float hard_multiplier = 13;
-    float lapse_multiplier = 14;
-    float interval_multiplier = 15;
+  float initial_ease = 11;
+  float easy_multiplier = 12;
+  float hard_multiplier = 13;
+  float lapse_multiplier = 14;
+  float interval_multiplier = 15;
 
-    uint32 maximum_review_interval = 16;
-    uint32 minimum_review_interval = 17;
+  uint32 maximum_review_interval = 16;
+  uint32 minimum_review_interval = 17;
 
-    uint32 graduating_interval_good = 18;
-    uint32 graduating_interval_easy = 19;
+  uint32 graduating_interval_good = 18;
+  uint32 graduating_interval_easy = 19;
 
-    NewCardOrder new_card_order = 20;
+  NewCardOrder new_card_order = 20;
 
-    LeechAction leech_action = 21;
-    uint32 leech_threshold = 22;
+  LeechAction leech_action = 21;
+  uint32 leech_threshold = 22;
 
-    bool disable_autoplay = 23;
-    uint32 cap_answer_time_to_secs = 24;
-    uint32 visible_timer_secs = 25;
-    bool skip_question_when_replaying_answer = 26;
+  bool disable_autoplay = 23;
+  uint32 cap_answer_time_to_secs = 24;
+  uint32 visible_timer_secs = 25;
+  bool skip_question_when_replaying_answer = 26;
 
-    bool bury_new = 27;
-    bool bury_reviews = 28;
+  bool bury_new = 27;
+  bool bury_reviews = 28;
 
-    bytes other = 255;
+  bytes other = 255;
 }
 
 message DeckCommon {
-    bool study_collapsed = 1;
-    bool browser_collapsed = 2;
+  bool study_collapsed = 1;
+  bool browser_collapsed = 2;
 
-    uint32 last_day_studied = 3;
-    int32 new_studied = 4;
-    int32 review_studied = 5;
-    int32 milliseconds_studied = 7;
+  uint32 last_day_studied = 3;
+  int32 new_studied = 4;
+  int32 review_studied = 5;
+  int32 milliseconds_studied = 7;
 
-    // previously set in the v1 scheduler,
-    // but not currently used for anything
-    int32 learning_studied = 6;
+  // previously set in the v1 scheduler,
+  // but not currently used for anything
+  int32 learning_studied = 6;
 
-    bytes other = 255;
+  bytes other = 255;
 }
 
 message DeckKind {
-    oneof kind {
-        NormalDeck normal = 1;
-        FilteredDeck filtered = 2;
-    }
+  oneof kind {
+    NormalDeck normal = 1;
+    FilteredDeck filtered = 2;
+  }
 }
 
 message NormalDeck {
-    int64 config_id = 1;
-    uint32 extend_new = 2;
-    uint32 extend_review = 3;
-    string description = 4;
+  int64 config_id = 1;
+  uint32 extend_new = 2;
+  uint32 extend_review = 3;
+  string description = 4;
 }
 
 message FilteredDeck {
-    bool reschedule = 1;
-    repeated FilteredSearchTerm search_terms = 2;
-    // v1 scheduler only
-    repeated float delays = 3;
-    // v2 scheduler only
-    uint32 preview_delay = 4;
+  bool reschedule = 1;
+  repeated FilteredSearchTerm search_terms = 2;
+  // v1 scheduler only
+  repeated float delays = 3;
+  // v2 scheduler only
+  uint32 preview_delay = 4;
 }
 
 message FilteredSearchTerm {
-    enum FilteredSearchOrder {
-        FILTERED_SEARCH_ORDER_OLDEST_FIRST = 0;
-        FILTERED_SEARCH_ORDER_RANDOM = 1;
-        FILTERED_SEARCH_ORDER_INTERVALS_ASCENDING = 2;
-        FILTERED_SEARCH_ORDER_INTERVALS_DESCENDING = 3;
-        FILTERED_SEARCH_ORDER_LAPSES = 4;
-        FILTERED_SEARCH_ORDER_ADDED = 5;
-        FILTERED_SEARCH_ORDER_DUE = 6;
-        FILTERED_SEARCH_ORDER_REVERSE_ADDED = 7;
-        FILTERED_SEARCH_ORDER_DUE_PRIORITY = 8;
-    }
+  enum FilteredSearchOrder {
+    FILTERED_SEARCH_ORDER_OLDEST_FIRST = 0;
+    FILTERED_SEARCH_ORDER_RANDOM = 1;
+    FILTERED_SEARCH_ORDER_INTERVALS_ASCENDING = 2;
+    FILTERED_SEARCH_ORDER_INTERVALS_DESCENDING = 3;
+    FILTERED_SEARCH_ORDER_LAPSES = 4;
+    FILTERED_SEARCH_ORDER_ADDED = 5;
+    FILTERED_SEARCH_ORDER_DUE = 6;
+    FILTERED_SEARCH_ORDER_REVERSE_ADDED = 7;
+    FILTERED_SEARCH_ORDER_DUE_PRIORITY = 8;
+  }
 
-    string search = 1;
-    uint32 limit = 2;
-    FilteredSearchOrder order = 3;
+  string search = 1;
+  uint32 limit = 2;
+  FilteredSearchOrder order = 3;
 }
 
 message NoteFieldConfig {
-    bool sticky = 1;
-    bool rtl = 2;
-    string font_name = 3;
-    uint32 font_size = 4;
+  bool sticky = 1;
+  bool rtl = 2;
+  string font_name = 3;
+  uint32 font_size = 4;
 
-    bytes other = 255;
+  bytes other = 255;
 }
 
 message CardTemplateConfig {
-    string q_format = 1;
-    string a_format = 2;
-    string q_format_browser = 3;
-    string a_format_browser= 4;
-    int64 target_deck_id = 5;
-    string browser_font_name = 6;
-    uint32 browser_font_size = 7;
+  string q_format = 1;
+  string a_format = 2;
+  string q_format_browser = 3;
+  string a_format_browser = 4;
+  int64 target_deck_id = 5;
+  string browser_font_name = 6;
+  uint32 browser_font_size = 7;
 
-    bytes other = 255;
+  bytes other = 255;
 }
 
 message NoteTypeConfig {
-    enum Kind {
-        KIND_NORMAL = 0;
-        KIND_CLOZE = 1;
-    }
-    Kind kind = 1;
-    uint32 sort_field_idx = 2;
-    string css = 3;
-    int64 target_deck_id = 4;
-    string latex_pre = 5;
-    string latex_post = 6;
-    bool latex_svg = 7;
-    repeated CardRequirement reqs = 8;
+  enum Kind {
+    KIND_NORMAL = 0;
+    KIND_CLOZE = 1;
+  }
+  Kind kind = 1;
+  uint32 sort_field_idx = 2;
+  string css = 3;
+  int64 target_deck_id = 4;
+  string latex_pre = 5;
+  string latex_post = 6;
+  bool latex_svg = 7;
+  repeated CardRequirement reqs = 8;
 
-    bytes other = 255;
+  bytes other = 255;
 }
 
 message CardRequirement {
-    enum Kind {
-        KIND_NONE = 0;
-        KIND_ANY = 1;
-        KIND_ALL = 2;
-    }
-    uint32 card_ord = 1;
-    Kind kind = 2;
-    repeated uint32 field_ords = 3;
+  enum Kind {
+    KIND_NONE = 0;
+    KIND_ANY = 1;
+    KIND_ALL = 2;
+  }
+  uint32 card_ord = 1;
+  Kind kind = 2;
+  repeated uint32 field_ords = 3;
 }
 
 // Containers for passing around database objects
 ///////////////////////////////////////////////////////////
 
 message Deck {
-    int64 id = 1;
-    string name = 2;
-    uint32 mtime_secs = 3;
-    int32 usn = 4;
-    DeckCommon common = 5;
-    oneof kind {
-        NormalDeck normal = 6;
-        FilteredDeck filtered = 7;
-    }
+  int64 id = 1;
+  string name = 2;
+  uint32 mtime_secs = 3;
+  int32 usn = 4;
+  DeckCommon common = 5;
+  oneof kind {
+    NormalDeck normal = 6;
+    FilteredDeck filtered = 7;
+  }
 }
 
 message NoteType {
-    int64 id = 1;
-    string name = 2;
-    uint32 mtime_secs = 3;
-    sint32 usn = 4;
-    NoteTypeConfig config = 7;
-    repeated NoteField fields = 8;
-    repeated CardTemplate templates = 9;
+  int64 id = 1;
+  string name = 2;
+  uint32 mtime_secs = 3;
+  sint32 usn = 4;
+  NoteTypeConfig config = 7;
+  repeated NoteField fields = 8;
+  repeated CardTemplate templates = 9;
 }
 
 message NoteField {
-    OptionalUInt32 ord = 1;
-    string name = 2;
-    NoteFieldConfig config = 5;
+  OptionalUInt32 ord = 1;
+  string name = 2;
+  NoteFieldConfig config = 5;
 }
 
 message CardTemplate {
-    OptionalUInt32 ord = 1;
-    string name = 2;
-    uint32 mtime_secs = 3;
-    sint32 usn = 4;
-    CardTemplateConfig config = 5;
+  OptionalUInt32 ord = 1;
+  string name = 2;
+  uint32 mtime_secs = 3;
+  sint32 usn = 4;
+  CardTemplateConfig config = 5;
 }
 
 message Note {
-    int64 id = 1;
-    string guid = 2;
-    int64 notetype_id = 3;
-    uint32 mtime_secs = 4;
-    int32 usn = 5;
-    repeated string tags = 6;
-    repeated string fields = 7;
+  int64 id = 1;
+  string guid = 2;
+  int64 notetype_id = 3;
+  uint32 mtime_secs = 4;
+  int32 usn = 5;
+  repeated string tags = 6;
+  repeated string fields = 7;
 }
 
 message Card {
-    int64 id = 1;
-    int64 note_id = 2;
-    int64 deck_id = 3;
-    uint32 template_idx = 4;
-    int64 mtime_secs = 5;
-    sint32 usn = 6;
-    uint32 ctype = 7;
-    sint32 queue = 8;
-    sint32 due = 9;
-    uint32 interval = 10;
-    uint32 ease_factor = 11;
-    uint32 reps = 12;
-    uint32 lapses = 13;
-    uint32 remaining_steps = 14;
-    sint32 original_due = 15;
-    int64 original_deck_id = 16;
-    uint32 flags = 17;
-    string data = 18;
+  int64 id = 1;
+  int64 note_id = 2;
+  int64 deck_id = 3;
+  uint32 template_idx = 4;
+  int64 mtime_secs = 5;
+  sint32 usn = 6;
+  uint32 ctype = 7;
+  sint32 queue = 8;
+  sint32 due = 9;
+  uint32 interval = 10;
+  uint32 ease_factor = 11;
+  uint32 reps = 12;
+  uint32 lapses = 13;
+  uint32 remaining_steps = 14;
+  sint32 original_due = 15;
+  int64 original_deck_id = 16;
+  uint32 flags = 17;
+  string data = 18;
 }
 
 // Backend
 ///////////////////////////////////////////////////////////
 
 message BackendInit {
-    repeated string preferred_langs = 1;
-    string locale_folder_path = 2;
-    bool server = 3;
+  repeated string preferred_langs = 1;
+  string locale_folder_path = 2;
+  bool server = 3;
 }
 
 message I18nBackendInit {
-    repeated string preferred_langs = 4;
-    string locale_folder_path = 5;
+  repeated string preferred_langs = 4;
+  string locale_folder_path = 5;
 }
 
 // Errors
 ///////////////////////////////////////////////////////////
 
 message BackendError {
-    // localized error description suitable for displaying to the user
-    string localized = 1;
-    // error specifics
-    oneof value {
-        Empty invalid_input = 2;
-        Empty template_parse = 3;
-        Empty io_error = 4;
-        Empty db_error = 5;
-        NetworkError network_error = 6;
-        SyncError sync_error = 7;
-        // user interrupted operation
-        Empty interrupted = 8;
-        string json_error = 9;
-        string proto_error = 10;
-        Empty not_found_error = 11;
-        Empty exists = 12;
-        Empty deck_is_filtered = 13;
-    }
+  // localized error description suitable for displaying to the user
+  string localized = 1;
+  // error specifics
+  oneof value {
+    Empty invalid_input = 2;
+    Empty template_parse = 3;
+    Empty io_error = 4;
+    Empty db_error = 5;
+    NetworkError network_error = 6;
+    SyncError sync_error = 7;
+    // user interrupted operation
+    Empty interrupted = 8;
+    string json_error = 9;
+    string proto_error = 10;
+    Empty not_found_error = 11;
+    Empty exists = 12;
+    Empty deck_is_filtered = 13;
+  }
 }
 
 message NetworkError {
-    enum NetworkErrorKind {
-        OTHER = 0;
-        OFFLINE = 1;
-        TIMEOUT = 2;
-        PROXY_AUTH = 3;
-    }
-    NetworkErrorKind kind = 1;
+  enum NetworkErrorKind {
+    OTHER = 0;
+    OFFLINE = 1;
+    TIMEOUT = 2;
+    PROXY_AUTH = 3;
+  }
+  NetworkErrorKind kind = 1;
 }
 
 message SyncError {
-    enum SyncErrorKind {
-        OTHER = 0;
-        CONFLICT = 1;
-        SERVER_ERROR = 2;
-        CLIENT_TOO_OLD = 3;
-        AUTH_FAILED = 4;
-        SERVER_MESSAGE = 5;
-        MEDIA_CHECK_REQUIRED = 6;
-        RESYNC_REQUIRED = 7;
-        CLOCK_INCORRECT = 8;
-        DATABASE_CHECK_REQUIRED = 9;
-    }
-    SyncErrorKind kind = 1;
+  enum SyncErrorKind {
+    OTHER = 0;
+    CONFLICT = 1;
+    SERVER_ERROR = 2;
+    CLIENT_TOO_OLD = 3;
+    AUTH_FAILED = 4;
+    SERVER_MESSAGE = 5;
+    MEDIA_CHECK_REQUIRED = 6;
+    RESYNC_REQUIRED = 7;
+    CLOCK_INCORRECT = 8;
+    DATABASE_CHECK_REQUIRED = 9;
+  }
+  SyncErrorKind kind = 1;
 }
 
 // Progress
 ///////////////////////////////////////////////////////////
 
 message Progress {
-    oneof value {
-        Empty none = 1;
-        MediaSyncProgress media_sync = 2;
-        string media_check = 3;
-        FullSyncProgress full_sync = 4;
-        NormalSyncProgress normal_sync = 5;
-        DatabaseCheckProgress database_check = 6;
-    }
+  oneof value {
+    Empty none = 1;
+    MediaSyncProgress media_sync = 2;
+    string media_check = 3;
+    FullSyncProgress full_sync = 4;
+    NormalSyncProgress normal_sync = 5;
+    DatabaseCheckProgress database_check = 6;
+  }
 }
 
 message MediaSyncProgress {
-    string checked = 1;
-    string added = 2;
-    string removed = 3;
+  string checked = 1;
+  string added = 2;
+  string removed = 3;
 }
 
 message FullSyncProgress {
-    uint32 transferred = 1;
-    uint32 total = 2;
+  uint32 transferred = 1;
+  uint32 total = 2;
 }
 
 message MediaSyncUploadProgress {
-    uint32 files = 1;
-    uint32 deletions = 2;
+  uint32 files = 1;
+  uint32 deletions = 2;
 }
 
 message NormalSyncProgress {
-    string stage = 1;
-    string added = 2;
-    string removed = 3;
+  string stage = 1;
+  string added = 2;
+  string removed = 3;
 }
 
 message DatabaseCheckProgress {
-    string stage = 1;
-    uint32 stage_total = 2;
-    uint32 stage_current = 3;
+  string stage = 1;
+  uint32 stage_total = 2;
+  uint32 stage_current = 3;
 }
 
-
 // Messages
 ///////////////////////////////////////////////////////////
 
-
 message SchedTimingTodayOut {
-    uint32 days_elapsed = 1;
-    int64 next_day_at = 2;
+  uint32 days_elapsed = 1;
+  int64 next_day_at = 2;
 }
 
 message DeckTreeIn {
-    // if non-zero, counts for the provided timestamp will be included
-    int64 now = 1;
-    int64 top_deck_id = 2;
+  // if non-zero, counts for the provided timestamp will be included
+  int64 now = 1;
+  int64 top_deck_id = 2;
 }
 
 message DeckTreeNode {
-    int64 deck_id = 1;
-    string name = 2;
-    repeated DeckTreeNode children = 3;
-    uint32 level = 4;
-    bool collapsed = 5;
+  int64 deck_id = 1;
+  string name = 2;
+  repeated DeckTreeNode children = 3;
+  uint32 level = 4;
+  bool collapsed = 5;
 
-    uint32 review_count = 6;
-    uint32 learn_count = 7;
-    uint32 new_count = 8;
+  uint32 review_count = 6;
+  uint32 learn_count = 7;
+  uint32 new_count = 8;
 
-    bool filtered = 16;
+  bool filtered = 16;
 }
 
 message RenderExistingCardIn {
-    int64 card_id = 1;
-    bool browser = 2;
+  int64 card_id = 1;
+  bool browser = 2;
 }
 
 message RenderUncommittedCardIn {
-    Note note = 1;
-    uint32 card_ord = 2;
-    bytes template = 3;
-    bool fill_empty = 4;
+  Note note = 1;
+  uint32 card_ord = 2;
+  bytes template = 3;
+  bool fill_empty = 4;
 }
 
 message RenderCardOut {
-    repeated RenderedTemplateNode question_nodes = 1;
-    repeated RenderedTemplateNode answer_nodes = 2;
+  repeated RenderedTemplateNode question_nodes = 1;
+  repeated RenderedTemplateNode answer_nodes = 2;
 }
 
 message RenderedTemplateNode {
-    oneof value {
-        string text = 1;
-        RenderedTemplateReplacement replacement = 2;
-    }
+  oneof value {
+    string text = 1;
+    RenderedTemplateReplacement replacement = 2;
+  }
 }
 
 message RenderedTemplateReplacement {
-    string field_name = 1;
-    string current_text = 2;
-    repeated string filters = 3;
+  string field_name = 1;
+  string current_text = 2;
+  repeated string filters = 3;
 }
 
 message ExtractAVTagsIn {
-    string text = 1;
-    bool question_side = 2;
+  string text = 1;
+  bool question_side = 2;
 }
 
 message ExtractAVTagsOut {
-    string text = 1;
-    repeated AVTag av_tags = 2;
+  string text = 1;
+  repeated AVTag av_tags = 2;
 }
 
 message AVTag {
-    oneof value {
-        string sound_or_video = 1;
-        TTSTag tts = 2;
-    }
+  oneof value {
+    string sound_or_video = 1;
+    TTSTag tts = 2;
+  }
 }
 
 message TTSTag {
-    string field_text = 1;
-    string lang = 2;
-    repeated string voices = 3;
-    float speed = 4;
-    repeated string other_args = 5;
+  string field_text = 1;
+  string lang = 2;
+  repeated string voices = 3;
+  float speed = 4;
+  repeated string other_args = 5;
 }
 
 message ExtractLatexIn {
-    string text = 1;
-    bool svg = 2;
-    bool expand_clozes = 3;
+  string text = 1;
+  bool svg = 2;
+  bool expand_clozes = 3;
 }
 
 message ExtractLatexOut {
-    string text = 1;
-    repeated ExtractedLatex latex = 2;
+  string text = 1;
+  repeated ExtractedLatex latex = 2;
 }
 
 message ExtractedLatex {
-    string filename = 1;
-    string latex_body = 2;
+  string filename = 1;
+  string latex_body = 2;
 }
 
 message AddMediaFileIn {
-    string desired_name = 1;
-    bytes data = 2;
+  string desired_name = 1;
+  bytes data = 2;
 }
 
 message CheckMediaOut {
-    repeated string unused = 1;
-    repeated string missing = 2;
-    string report = 3;
-    bool have_trash = 4;
+  repeated string unused = 1;
+  repeated string missing = 2;
+  string report = 3;
+  bool have_trash = 4;
 }
 
 message TrashMediaFilesIn {
-    repeated string fnames = 1;
+  repeated string fnames = 1;
 }
 
 message TranslateStringIn {
-    int32 key = 2;
-    map<string,TranslateArgValue> args = 3;
+  int32 key = 2;
+  map<string, TranslateArgValue> args = 3;
 }
 
 message TranslateArgValue {
-    oneof value {
-        string str = 1;
-        double number = 2;
-    }
+  oneof value {
+    string str = 1;
+    double number = 2;
+  }
 }
 
 message FormatTimespanIn {
-    enum Context {
-        PRECISE = 0;
-        ANSWER_BUTTONS = 1;
-        INTERVALS = 2;
-    }
+  enum Context {
+    PRECISE = 0;
+    ANSWER_BUTTONS = 1;
+    INTERVALS = 2;
+  }
 
-    float seconds = 1;
-    Context context = 2;
+  float seconds = 1;
+  Context context = 2;
 }
 
 message StudiedTodayMessageIn {
-    uint32 cards = 1;
-    double seconds = 2;
+  uint32 cards = 1;
+  double seconds = 2;
 }
 
 message CongratsLearnMessageIn {
-    float next_due = 1;
-    uint32 remaining = 2;
+  float next_due = 1;
+  uint32 remaining = 2;
 }
 
 message OpenCollectionIn {
-    string collection_path = 1;
-    string media_folder_path = 2;
-    string media_db_path = 3;
-    string log_path = 4;
+  string collection_path = 1;
+  string media_folder_path = 2;
+  string media_db_path = 3;
+  string log_path = 4;
 }
 
 message SearchCardsIn {
-    string search = 1;
-    SortOrder order = 2;
+  string search = 1;
+  SortOrder order = 2;
 }
 
 message SearchCardsOut {
-    repeated int64 card_ids = 1;
-
+  repeated int64 card_ids = 1;
 }
 
 message SortOrder {
-    oneof value {
-        Empty from_config = 1;
-        Empty none = 2;
-        string custom = 3;
-        BuiltinSearchOrder builtin = 4;
-    }
+  oneof value {
+    Empty from_config = 1;
+    Empty none = 2;
+    string custom = 3;
+    BuiltinSearchOrder builtin = 4;
+  }
 }
 
 message SearchNotesIn {
-    string search = 1;
+  string search = 1;
 }
 
 message SearchNotesOut {
-    repeated int64 note_ids = 2;
+  repeated int64 note_ids = 2;
 }
 
 message BuiltinSearchOrder {
-    enum BuiltinSortKind {
-        NOTE_CREATION = 0;
-        NOTE_MOD = 1;
-        NOTE_FIELD = 2;
-        NOTE_TAGS = 3;
-        NOTE_TYPE = 4;
-        CARD_MOD = 5;
-        CARD_REPS = 6;
-        CARD_DUE = 7;
-        CARD_EASE = 8;
-        CARD_LAPSES = 9;
-        CARD_INTERVAL = 10;
-        CARD_DECK = 11;
-        CARD_TEMPLATE = 12;
-    }
-    BuiltinSortKind kind = 1;
-    bool reverse = 2;
+  enum BuiltinSortKind {
+    NOTE_CREATION = 0;
+    NOTE_MOD = 1;
+    NOTE_FIELD = 2;
+    NOTE_TAGS = 3;
+    NOTE_TYPE = 4;
+    CARD_MOD = 5;
+    CARD_REPS = 6;
+    CARD_DUE = 7;
+    CARD_EASE = 8;
+    CARD_LAPSES = 9;
+    CARD_INTERVAL = 10;
+    CARD_DECK = 11;
+    CARD_TEMPLATE = 12;
+  }
+  BuiltinSortKind kind = 1;
+  bool reverse = 2;
 }
 
 message ConcatenateSearchesIn {
-    enum Separator {
-        AND = 0;
-        OR = 1;
-    }
-    Separator sep = 1;
-    repeated string searches = 2;
+  enum Separator {
+    AND = 0;
+    OR = 1;
+  }
+  Separator sep = 1;
+  repeated string searches = 2;
 }
 
 message ReplaceSearchTermIn {
-    string search = 1;
-    string replacement = 2;
+  string search = 1;
+  string replacement = 2;
 }
 
 message CloseCollectionIn {
-    bool downgrade_to_schema11 = 1;
+  bool downgrade_to_schema11 = 1;
 }
 
 message AddOrUpdateDeckConfigLegacyIn {
-    bytes config = 1;
-    bool preserve_usn_and_mtime = 2;
+  bytes config = 1;
+  bool preserve_usn_and_mtime = 2;
 }
 
 message RegisterTagsIn {
-    string tags = 1;
-    bool preserve_usn = 2;
-    int32 usn = 3;
-    bool clear_first = 4;
+  string tags = 1;
+  bool preserve_usn = 2;
+  int32 usn = 3;
+  bool clear_first = 4;
 }
 
 message AllTagsOut {
-    repeated TagUsnTuple tags = 1;
+  repeated TagUsnTuple tags = 1;
 }
 
 message TagUsnTuple {
-    string tag = 1;
-    sint32 usn = 2;
+  string tag = 1;
+  sint32 usn = 2;
 }
 
 message GetChangedTagsOut {
-    repeated string tags = 1;
+  repeated string tags = 1;
 }
 
 message SetConfigJsonIn {
-    string key = 1;
-    bytes value_json = 2;
+  string key = 1;
+  bytes value_json = 2;
 }
 
 enum StockNoteType {
-    STOCK_NOTE_TYPE_BASIC = 0;
-    STOCK_NOTE_TYPE_BASIC_AND_REVERSED = 1;
-    STOCK_NOTE_TYPE_BASIC_OPTIONAL_REVERSED = 2;
-    STOCK_NOTE_TYPE_BASIC_TYPING = 3;
-    STOCK_NOTE_TYPE_CLOZE = 4;
+  STOCK_NOTE_TYPE_BASIC = 0;
+  STOCK_NOTE_TYPE_BASIC_AND_REVERSED = 1;
+  STOCK_NOTE_TYPE_BASIC_OPTIONAL_REVERSED = 2;
+  STOCK_NOTE_TYPE_BASIC_TYPING = 3;
+  STOCK_NOTE_TYPE_CLOZE = 4;
 }
 
 message GetStockNotetypeIn {
-    StockNoteType kind = 1;
+  StockNoteType kind = 1;
 }
 
 message NoteTypeNames {
-    repeated NoteTypeNameID entries = 1;
+  repeated NoteTypeNameID entries = 1;
 }
 
 message NoteTypeUseCounts {
-    repeated NoteTypeNameIDUseCount entries = 1;
+  repeated NoteTypeNameIDUseCount entries = 1;
 }
 
 message NoteTypeNameID {
-    int64 id = 1;
-    string name = 2;
-
+  int64 id = 1;
+  string name = 2;
 }
 
 message NoteTypeNameIDUseCount {
-    int64 id = 1;
-    string name = 2;
-    uint32 use_count = 3;
+  int64 id = 1;
+  string name = 2;
+  uint32 use_count = 3;
 }
 
 message AddOrUpdateNotetypeIn {
-    bytes json = 1;
-    bool preserve_usn_and_mtime = 2;
+  bytes json = 1;
+  bool preserve_usn_and_mtime = 2;
 }
 
 message AddNoteIn {
-    Note note = 1;
-    int64 deck_id = 2;
+  Note note = 1;
+  int64 deck_id = 2;
 }
 
 message EmptyCardsReport {
-    string report = 1;
-    repeated NoteWithEmptyCards notes = 2;
+  string report = 1;
+  repeated NoteWithEmptyCards notes = 2;
 }
 
 message NoteWithEmptyCards {
-    int64 note_id = 1;
-    repeated int64 card_ids = 2;
-    bool will_delete_note = 3;
+  int64 note_id = 1;
+  repeated int64 card_ids = 2;
+  bool will_delete_note = 3;
 }
 
 message DeckNames {
-    repeated DeckNameID entries = 1;
+  repeated DeckNameID entries = 1;
 }
 
 message DeckNameID {
-    int64 id = 1;
-    string name = 2;
+  int64 id = 1;
+  string name = 2;
 }
 
 message AddOrUpdateDeckLegacyIn {
-    bytes deck = 1;
-    bool preserve_usn_and_mtime = 2;
+  bytes deck = 1;
+  bool preserve_usn_and_mtime = 2;
 }
 
 message FieldNamesForNotesIn {
-    repeated int64 nids = 1;
+  repeated int64 nids = 1;
 }
 
 message FieldNamesForNotesOut {
-    repeated string fields = 1;
+  repeated string fields = 1;
 }
 
 message FindAndReplaceIn {
-    repeated int64 nids = 1;
-    string search = 2;
-    string replacement = 3;
-    bool regex = 4;
-    bool match_case = 5;
-    string field_name = 6;
+  repeated int64 nids = 1;
+  string search = 2;
+  string replacement = 3;
+  bool regex = 4;
+  bool match_case = 5;
+  string field_name = 6;
 }
 
 message AfterNoteUpdatesIn {
-    repeated int64 nids = 1;
-    bool mark_notes_modified = 2;
-    bool generate_cards = 3;
+  repeated int64 nids = 1;
+  bool mark_notes_modified = 2;
+  bool generate_cards = 3;
 }
 
 message AddNoteTagsIn {
-    repeated int64 nids = 1;
-    string tags = 2;
+  repeated int64 nids = 1;
+  string tags = 2;
 }
 
 message UpdateNoteTagsIn {
-    repeated int64 nids = 1;
-    string tags = 2;
-    string replacement = 3;
-    bool regex = 4;
+  repeated int64 nids = 1;
+  string tags = 2;
+  string replacement = 3;
+  bool regex = 4;
 }
 
 message CheckDatabaseOut {
-    repeated string problems = 1;
+  repeated string problems = 1;
 }
 
 message CollectionSchedulingSettings {
-    enum NewReviewMix {
-        DISTRIBUTE = 0;
-        REVIEWS_FIRST = 1;
-        NEW_FIRST = 2;
-    }
+  enum NewReviewMix {
+    DISTRIBUTE = 0;
+    REVIEWS_FIRST = 1;
+    NEW_FIRST = 2;
+  }
 
-    uint32 scheduler_version = 1;
-    uint32 rollover = 2;
-    uint32 learn_ahead_secs = 3;
-    NewReviewMix new_review_mix = 4;
-    bool show_remaining_due_counts = 5;
-    bool show_intervals_on_buttons = 6;
-    uint32 time_limit_secs = 7;
+  uint32 scheduler_version = 1;
+  uint32 rollover = 2;
+  uint32 learn_ahead_secs = 3;
+  NewReviewMix new_review_mix = 4;
+  bool show_remaining_due_counts = 5;
+  bool show_intervals_on_buttons = 6;
+  uint32 time_limit_secs = 7;
 
-    // v2 only
-    bool new_timezone = 8;
-    bool day_learn_first = 9;
+  // v2 only
+  bool new_timezone = 8;
+  bool day_learn_first = 9;
 }
 
 message Preferences {
-    CollectionSchedulingSettings sched = 1;
+  CollectionSchedulingSettings sched = 1;
 }
 
 message ClozeNumbersInNoteOut {
-    repeated uint32 numbers = 1;
+  repeated uint32 numbers = 1;
 }
 
 message GetDeckNamesIn {
-    bool skip_empty_default = 1;
-    // if unset, implies skip_empty_default
-    bool include_filtered = 2;
+  bool skip_empty_default = 1;
+  // if unset, implies skip_empty_default
+  bool include_filtered = 2;
 }
 
 message NoteIsDuplicateOrEmptyOut {
-    enum State {
-        NORMAL = 0;
-        EMPTY = 1;
-        DUPLICATE = 2;
-    }
-    State state = 1;
+  enum State {
+    NORMAL = 0;
+    EMPTY = 1;
+    DUPLICATE = 2;
+  }
+  State state = 1;
 }
 
 message SyncLoginIn {
-    string username = 1;
-    string password = 2;
+  string username = 1;
+  string password = 2;
 }
 
 message SyncStatusOut {
-    enum Required {
-        NO_CHANGES = 0;
-        NORMAL_SYNC = 1;
-        FULL_SYNC = 2;
-    }
-    Required required = 1;
+  enum Required {
+    NO_CHANGES = 0;
+    NORMAL_SYNC = 1;
+    FULL_SYNC = 2;
+  }
+  Required required = 1;
 }
 
 message SyncCollectionOut {
-    enum ChangesRequired {
-        NO_CHANGES = 0;
-        NORMAL_SYNC = 1;
-        FULL_SYNC = 2;
-        // local collection has no cards; upload not an option
-        FULL_DOWNLOAD = 3;
-        // remote collection has no cards; download not an option
-        FULL_UPLOAD = 4;
-    }
+  enum ChangesRequired {
+    NO_CHANGES = 0;
+    NORMAL_SYNC = 1;
+    FULL_SYNC = 2;
+    // local collection has no cards; upload not an option
+    FULL_DOWNLOAD = 3;
+    // remote collection has no cards; download not an option
+    FULL_UPLOAD = 4;
+  }
 
-    uint32 host_number = 1;
-    string server_message = 2;
-    ChangesRequired required = 3;
+  uint32 host_number = 1;
+  string server_message = 2;
+  ChangesRequired required = 3;
 }
 
 message SyncAuth {
-    string hkey = 1;
-    uint32 host_number = 2;
+  string hkey = 1;
+  uint32 host_number = 2;
 }
 
 message RemoveNotesIn {
-    repeated int64 note_ids = 1;
-    repeated int64 card_ids = 2;
+  repeated int64 note_ids = 1;
+  repeated int64 card_ids = 2;
 }
 
 message RemoveCardsIn {
-    repeated int64 card_ids = 1;
+  repeated int64 card_ids = 1;
 }
 
 message UpdateStatsIn {
-    int64 deck_id = 1;
-    int32 new_delta = 2;
-    int32 review_delta = 4;
-    int32 millisecond_delta = 5;
+  int64 deck_id = 1;
+  int32 new_delta = 2;
+  int32 review_delta = 4;
+  int32 millisecond_delta = 5;
 }
 
 message ExtendLimitsIn {
-    int64 deck_id = 1;
-    int32 new_delta = 2;
-    int32 review_delta = 3;
+  int64 deck_id = 1;
+  int32 new_delta = 2;
+  int32 review_delta = 3;
 }
 
 message CountsForDeckTodayOut {
-    int32 new = 1;
-    int32 review = 2;
+  int32 new = 1;
+  int32 review = 2;
 }
 
 message GraphsIn {
-    string search = 1;
-    uint32 days = 2;
+  string search = 1;
+  uint32 days = 2;
 }
 
 message GraphsOut {
-    repeated Card cards = 1;
-    repeated RevlogEntry revlog = 2;
-    uint32 days_elapsed = 3;
-    // Based on rollover hour
-    uint32 next_day_at_secs = 4;
-    uint32 scheduler_version = 5;
-    /// Seconds to add to UTC timestamps to get local time.
-    int32 local_offset_secs = 7;
+  repeated Card cards = 1;
+  repeated RevlogEntry revlog = 2;
+  uint32 days_elapsed = 3;
+  // Based on rollover hour
+  uint32 next_day_at_secs = 4;
+  uint32 scheduler_version = 5;
+  /// Seconds to add to UTC timestamps to get local time.
+  int32 local_offset_secs = 7;
 }
 
 message RevlogEntry {
-    enum ReviewKind {
-        LEARNING = 0;
-        REVIEW = 1;
-        RELEARNING = 2;
-        EARLY_REVIEW = 3;
-        MANUAL = 4;
-    }
-    int64 id = 1;
-    int64 cid = 2;
-    int32 usn = 3;
-    uint32 button_chosen = 4;
-    int32 interval = 5;
-    int32 last_interval = 6;
-    uint32 ease_factor = 7;
-    uint32 taken_millis = 8;
-    ReviewKind review_kind = 9;
+  enum ReviewKind {
+    LEARNING = 0;
+    REVIEW = 1;
+    RELEARNING = 2;
+    EARLY_REVIEW = 3;
+    MANUAL = 4;
+  }
+  int64 id = 1;
+  int64 cid = 2;
+  int32 usn = 3;
+  uint32 button_chosen = 4;
+  int32 interval = 5;
+  int32 last_interval = 6;
+  uint32 ease_factor = 7;
+  uint32 taken_millis = 8;
+  ReviewKind review_kind = 9;
 }
 
 message CongratsInfoOut {
-    uint32 learn_remaining = 1;
-    uint32 secs_until_next_learn = 2;
-    bool review_remaining = 3;
-    bool new_remaining = 4;
-    bool have_sched_buried = 5;
-    bool have_user_buried = 6;
-    bool is_filtered_deck = 7;
-    bool bridge_commands_supported = 8;
+  uint32 learn_remaining = 1;
+  uint32 secs_until_next_learn = 2;
+  bool review_remaining = 3;
+  bool new_remaining = 4;
+  bool have_sched_buried = 5;
+  bool have_user_buried = 6;
+  bool is_filtered_deck = 7;
+  bool bridge_commands_supported = 8;
 }
 
 message UnburyCardsInCurrentDeckIn {
-    enum Mode {
-        ALL = 0;
-        SCHED_ONLY = 1;
-        USER_ONLY = 2;
-    }
-    Mode mode = 1;
+  enum Mode {
+    ALL = 0;
+    SCHED_ONLY = 1;
+    USER_ONLY = 2;
+  }
+  Mode mode = 1;
 }
 
 message BuryOrSuspendCardsIn {
-    enum Mode {
-        SUSPEND = 0;
-        BURY_SCHED = 1;
-        BURY_USER = 2;
-    }
-    repeated int64 card_ids = 1;
-    Mode mode = 2;
+  enum Mode {
+    SUSPEND = 0;
+    BURY_SCHED = 1;
+    BURY_USER = 2;
+  }
+  repeated int64 card_ids = 1;
+  Mode mode = 2;
 }
 
 message ScheduleCardsAsReviewsIn {
-    repeated int64 card_ids = 1;
-    uint32 min_interval = 2;
-    uint32 max_interval = 3;
+  repeated int64 card_ids = 1;
+  uint32 min_interval = 2;
+  uint32 max_interval = 3;
 }
 
 message ScheduleCardsAsNewIn {
-    repeated int64 card_ids = 1;
-    bool log = 2;
+  repeated int64 card_ids = 1;
+  bool log = 2;
 }
 
 message SortCardsIn {
-    repeated int64 card_ids = 1;
-    uint32 starting_from = 2;
-    uint32 step_size = 3;
-    bool randomize = 4;
-    bool shift_existing = 5;
+  repeated int64 card_ids = 1;
+  uint32 starting_from = 2;
+  uint32 step_size = 3;
+  bool randomize = 4;
+  bool shift_existing = 5;
 }
 
 message SortDeckIn {
-    int64 deck_id = 1;
-    bool randomize = 2;
+  int64 deck_id = 1;
+  bool randomize = 2;
 }
 
 message SetDeckIn {
-    repeated int64 card_ids = 1;
-    int64 deck_id = 2;
+  repeated int64 card_ids = 1;
+  int64 deck_id = 2;
 }