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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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NS_ASSUME_NONNULL_BEGIN
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@interface OWSFileSystem : NSObject
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- (instancetype)init NS_UNAVAILABLE;
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+ (BOOL)protectFileOrFolderAtPath:(NSString *)path;
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+ (NSString *)appDocumentDirectoryPath;
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+ (NSString *)appSharedDataDirectoryPath;
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+ (NSString *)cachesDirectoryPath;
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+ (void)moveAppFilePath:(NSString *)oldFilePath
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sharedDataFilePath:(NSString *)newFilePath
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exceptionName:(NSString *)exceptionName;
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// Returns NO IFF the directory does not exist and could not be created.
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+ (BOOL)ensureDirectoryExists:(NSString *)dirPath;
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+ (void)deleteFile:(NSString *)filePath;
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+ (void)deleteFileIfExists:(NSString *)filePath;
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+ (NSArray<NSString *> *_Nullable)allFilesInDirectoryRecursive:(NSString *)dirPath error:(NSError **)error;
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+ (NSString *)temporaryFilePath;
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+ (NSString *)temporaryFilePathWithFileExtension:(NSString *_Nullable)fileExtension;
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// Returns nil on failure.
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+ (nullable NSString *)writeDataToTemporaryFile:(NSData *)data fileExtension:(NSString *_Nullable)fileExtension;
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+ (nullable NSNumber *)fileSizeOfPath:(NSString *)filePath;
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@end
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NS_ASSUME_NONNULL_END
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