@class NSData, CHRecognitionSessionVersion, NSArray, NSString, NSOrderedSet, CHRecognitionSessionResult, CHTextInputQuery, NSMutableDictionary, NSMutableArray, NSObject, CHStrokeClassificationModel;
@protocol OS_dispatch_queue, CHRecognitionSessionDataSource, CHStrokeProvider;

@interface CHRecognitionSession : NSObject <CHRecognitionSessionTextInputTaskDelegate, NSSecureCoding> {
    CHRecognitionSessionResult *_lastRecognitionResult;
    long long _status;
    id<CHStrokeProvider> _latestStrokeProvider;
    NSOrderedSet *_latestStrokeProviderVisibleStrokes;
    CHTextInputQuery *_activeTextInputQuery;
    BOOL _strokeGroupingOnly;
    CHRecognitionSessionResult *_cachedFastGroupingRecognitionResult;
    CHRecognitionSessionResult *_partialRecognitionResult;
    int _autoCapitalizationMode;
    int _autoCorrectionMode;
    int _baseWritingDirection;
    unsigned long long _strokeGroupOrdering;
    CHRecognitionSessionVersion *_sessionVersion;
    BOOL __servesBackgroundIndexation;
    BOOL __hasUnprocessedChanges;
    BOOL __shouldForceFastGrouping;
    unsigned int __taskQueueQoSClass;
    NSArray *__textRecognitionLocales;
    NSMutableDictionary *__recognizersByLocaleID;
    NSArray *__latestTextInputTargets;
    NSMutableDictionary *__correctionRecognizersByLocalesKey;
    unsigned long long __changeCoalescingIndex;
    NSMutableArray *__changeObservers;
    NSMutableArray *__inputDrawingClients;
    NSObject<OS_dispatch_queue> *__tasksWorkQueueForeground;
    NSObject<OS_dispatch_queue> *__tasksWorkQueueBackground;
    NSObject<OS_dispatch_queue> *__sessionQueue;
    NSObject<OS_dispatch_queue> *__highResponsivenessQueue;
    NSMutableArray *__activeTasks;
    CHStrokeClassificationModel *_strokeClassificationModel;
}

@property (class, readonly) BOOL supportsSecureCoding;

@property (nonatomic) BOOL strokeGroupingOnly;
@property (nonatomic) int autoCapitalizationMode;
@property (nonatomic) int autoCorrectionMode;
@property (nonatomic) int baseWritingDirection;
@property (nonatomic) unsigned long long strokeGroupOrdering;
@property (readonly) CHRecognitionSessionVersion *sessionVersion;
@property (readonly) CHRecognitionSessionResult *lastRecognitionResult;
@property (readonly, nonatomic) long long status;
@property (readonly) id<CHStrokeProvider> latestStrokeProvider;
@property (weak, nonatomic) CHTextInputQuery *activeTextInputQuery;
@property (nonatomic) BOOL shouldForceFastGrouping;
@property (retain, setter=_setLastRecognitionResult:) CHRecognitionSessionResult *lastRecognitionResult;
@property (nonatomic, setter=_setStatus:) long long status;
@property (retain, setter=_setLatestStrokeProvider:) id<CHStrokeProvider> latestStrokeProvider;
@property (retain, setter=_setSessionVersion:) CHRecognitionSessionVersion *sessionVersion;
@property (readonly, nonatomic) long long mode;
@property (copy, nonatomic) NSArray *preferredLocales;
@property (copy, nonatomic) NSArray *locales;
@property (nonatomic) id<CHRecognitionSessionDataSource> dataSource;
@property (nonatomic) long long recognitionEnvironment;
@property (nonatomic) long long priority;
@property (nonatomic) BOOL servesBackgroundIndexation;
@property (readonly, nonatomic) NSData *sessionData;
@property (readonly) unsigned long long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString *description;
@property (readonly, copy) NSString *debugDescription;

+ (BOOL)isLocaleSupported:(id)a0;
+ (id)createRecognizerForLocale:(id)a0 sessionMode:(long long)a1 remote:(BOOL)a2 priority:(long long)a3;
+ (id)createRecognizerForLocales:(id)a0 sessionMode:(long long)a1 remote:(BOOL)a2 priority:(long long)a3;
+ (id)effectiveLocalesFromLocales:(id)a0;
+ (BOOL)shouldRunRecognitionLocallyWithEnvironment:(long long)a0;
+ (id)strokeIdentifiersInProximalGroupsForStrokeIdentifiers:(id)a0 sortedStrokeGroups:(id)a1 clusteredStrokeGroups:(id)a2 unusedStrokeIdentifiers:(id *)a3;

- (id)init;
- (void)registerChangeObserver:(id)a0;
- (void)unregisterChangeObserver:(id)a0;
- (void)encodeWithCoder:(id)a0;
- (id)initWithMode:(long long)a0;
- (void).cxx_destruct;
- (id)initWithCoder:(id)a0;
- (id)indexableContent;
- (id)contextualTextResultsForContextStrokes:(id)a0 completion:(id /* block */)a1 shouldCancel:(id /* block */)a2;
- (void)cancelOngoingRequests;
- (void)setNeedsRecognitionUpdate;
- (id)initWithMode:(long long)a0 recognitionSessionResult:(id)a1 dataSource:(id)a2;
- (id)initWithMode:(long long)a0 withVersion:(id)a1;
- (id)lastRecognitionResultWaitingForPendingTasks;
- (BOOL)loadSessionData:(id)a0 error:(id *)a1;
- (void)rebuildRecognitionResults;
- (id)recognizableDrawingForStrokeGroupQueryItem:(id)a0;
- (id)recognizerForLocale:(id)a0;
- (void)registerInputDrawingClient:(id)a0;
- (id)strokePointItalicizeTransformationsForContextStrokes:(id)a0 completionWithTelemetry:(id /* block */)a1 shouldCancel:(id /* block */)a2;
- (id)strokePointTextLineStraighteningTransformationsForContextStrokes:(id)a0 completionWithTelemetry:(id /* block */)a1 shouldCancel:(id /* block */)a2;
- (id)textCorrectionRecognizerForLocales:(id)a0;
- (id)tokenStrokeIdentifiersForContextStrokes:(id)a0 point:(struct CGPoint { double x0; double x1; })a1 tokenizationLevel:(long long)a2 completion:(id /* block */)a3 shouldCancel:(id /* block */)a4;
- (void)unregisterInputDrawingClient:(id)a0;
- (void)waitForPendingRecognitionTasks;

@end