Add real headers for some NSFile* classes.

Headers/Foundation/NSFileVersion.h

@@ -1,11 +1,71 @@
+/* Definition of class NSFilePresenter
+   Copyright (C) 2019 Free Software Foundation, Inc.
+   
+   Implemented by: 	Gregory Casamento <greg.casamento@gmail.com>
+   Date: 	Sep 2019
+   Original File by: Daniel Ferreira
+
+   This file is part of the GNUstep Library.
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02111 USA.
+*/
+
 #ifndef __NSFileVersion_h_GNUSTEP_BASE_INCLUDE
 #define __NSFileVersion_h_GNUSTEP_BASE_INCLUDE
 
 #import <Foundation/NSObject.h>
 
+@class NSArray, NSDate, NSDictionary, NSError, NSString, NSURL, NSPersonNameComponents;
+
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_7,GS_API_LATEST)
 
 @interface NSFileVersion : NSObject
+{
+@private
+    NSURL *_fileURL;
+    NSURL *_contentsURL;
+    id _oersistentIdentifier;
+    id _nonLocalVersion;
+    BOOL _isResolved;
+    BOOL _isDiscardable;
+    BOOL _hasThumbnail;
+    BOOL _hasLocalContents;
+    NSString *_localizedName;
+    NSString *_localizedComputerName;
+    NSDate *_modificationDate;
+    NSString *_name;
+}
+
+- (BOOL) isDiscardable;
+- (void) setDiscardable: (BOOL)flag;
+- (BOOL) isResolved;
+- (void) setResolved: (BOOL)flag;
+- (NSDate *) modificationDate;
+- (NSPersonNameComponents *) originatorNameComponents; 
+- (NSString *) localizedName;
+- (NSString *) localizedNameOfSavingComputer;
+- (BOOL) hasLocalContents; 
+- (BOOL) hasThumbnail; 
+- (NSURL *) URL;
+- (BOOL) conflict;
+- (id<NSCoding>) persistentIdentifier;
+
+- (BOOL)removeAndReturnError: (NSError **)outError;
+- (NSURL *)replaceItemAtURL: (NSURL *)url options:(NSFileVersionReplacingOptions)options error:(NSError **)error;
+
 @end
 
 #endif