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node_modules/expo-file-system/ios/Legacy/EXSessionTasks/EXTaskHandlersManager.m

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+// Copyright 2015-present 650 Industries. All rights reserved.
+
+#import <ExpoFileSystem/EXTaskHandlersManager.h>
+
+@interface EXTaskHandlersManager ()
+
+@property (nonatomic, strong) NSMutableDictionary<NSString *, NSURLSessionTask *> *resumableDownloads;
+
+@end
+
+@implementation EXTaskHandlersManager
+
+- (instancetype)init
+{
+  if (self = [super init]) {
+    _resumableDownloads = [NSMutableDictionary dictionary];
+  }
+  return self;
+}
+
+- (void)registerTask:(NSURLSessionTask *)task uuid:(NSString *)uuid
+{
+  _resumableDownloads[uuid] = task;
+}
+
+- (NSURLSessionTask * _Nullable)taskForId:(NSString *)uuid
+{
+  return _resumableDownloads[uuid];
+}
+
+- (NSURLSessionDownloadTask * _Nullable)downloadTaskForId:(NSString *)uuid
+{
+  NSURLSessionTask *task = [self taskForId:uuid];
+  if ([task isKindOfClass:[NSURLSessionDownloadTask class]]) {
+    return (NSURLSessionDownloadTask *)task;
+  }
+  
+  return nil;
+}
+
+- (NSURLSessionUploadTask * _Nullable)uploadTaskForId:(NSString *)uuid
+{
+  NSURLSessionTask *task = [self taskForId:uuid];
+  if ([task isKindOfClass:[NSURLSessionUploadTask class]]) {
+    return (NSURLSessionDownloadTask *)task;
+  }
+  
+  return nil;
+}
+
+- (void)unregisterTask:(NSString *)uuid
+{
+  [_resumableDownloads removeObjectForKey:uuid];
+}
+
+@end