Added Bolts generics to internal implementation

- PFDefaultACLController
- PFURLSessionCommandRunner

Author: Devin Cheevers

Parse/Internal/ACL/DefaultACLController/PFDefaultACLController.m

@@ -57,7 +57,7 @@ - (instancetype)init {
 #pragma mark - ACL
 ///--------------------------------------
 
-- (BFTask *)getDefaultACLAsync {
+- (BFTask PF_GENERIC(PFACL *)*)getDefaultACLAsync {
     return [_taskQueue enqueue:^id(BFTask *task) {
         if (!_defaultACL || !_useCurrentUser) {
             return _defaultACL;
@@ -82,7 +82,7 @@ - (BFTask *)getDefaultACLAsync {
     }];
 }
 
-- (BFTask *)setDefaultACLAsync:(PFACL *)acl withCurrentUserAccess:(BOOL)accessForCurrentUser {
+- (BFTask PF_GENERIC(PFACL *)*)setDefaultACLAsync:(PFACL *)acl withCurrentUserAccess:(BOOL)accessForCurrentUser {
     return [_taskQueue enqueue:^id(BFTask *task) {
         _defaultACLWithCurrentUser = nil;
         _lastCurrentUser = nil;

Parse/Internal/Commands/CommandRunner/URLSession/PFURLSessionCommandRunner.m

@@ -112,13 +112,13 @@ - (void)dealloc {
 #pragma mark - Data Commands
 ///--------------------------------------
 
-- (BFTask *)runCommandAsync:(PFRESTCommand *)command withOptions:(PFCommandRunningOptions)options {
+- (BFTask PF_GENERIC(PFCommandResult *)*)runCommandAsync:(PFRESTCommand *)command withOptions:(PFCommandRunningOptions)options {
     return [self runCommandAsync:command withOptions:options cancellationToken:nil];
 }
 
-- (BFTask *)runCommandAsync:(PFRESTCommand *)command
-                withOptions:(PFCommandRunningOptions)options
-          cancellationToken:(BFCancellationToken *)cancellationToken {
+- (BFTask PF_GENERIC(PFCommandResult *)*)runCommandAsync:(PFRESTCommand *)command
+                                             withOptions:(PFCommandRunningOptions)options
+                                       cancellationToken:(BFCancellationToken *)cancellationToken {
     return [self _performCommandRunningBlock:^id {
         [command resolveLocalIds];
         NSURLRequest *request = [self.requestConstructor dataURLRequestForCommand:command];
@@ -130,12 +130,12 @@ - (BFTask *)runCommandAsync:(PFRESTCommand *)command
 #pragma mark - File Commands
 ///--------------------------------------
 
-- (BFTask *)runFileUploadCommandAsync:(PFRESTCommand *)command
-                      withContentType:(NSString *)contentType
-                contentSourceFilePath:(NSString *)sourceFilePath
-                              options:(PFCommandRunningOptions)options
-                    cancellationToken:(nullable BFCancellationToken *)cancellationToken
-                        progressBlock:(nullable PFProgressBlock)progressBlock {
+- (BFTask PF_GENERIC(PFCommandResult *)*)runFileUploadCommandAsync:(PFRESTCommand *)command
+                                                   withContentType:(NSString *)contentType
+                                             contentSourceFilePath:(NSString *)sourceFilePath
+                                                           options:(PFCommandRunningOptions)options
+                                                 cancellationToken:(nullable BFCancellationToken *)cancellationToken
+                                                     progressBlock:(nullable PFProgressBlock)progressBlock {
     @weakify(self);
     return [self _performCommandRunningBlock:^id {
         @strongify(self);
@@ -153,10 +153,10 @@ - (BFTask *)runFileUploadCommandAsync:(PFRESTCommand *)command
     } withOptions:options cancellationToken:cancellationToken];
 }
 
-- (BFTask *)runFileDownloadCommandAsyncWithFileURL:(NSURL *)url
-                                    targetFilePath:(NSString *)filePath
-                                 cancellationToken:(nullable BFCancellationToken *)cancellationToken
-                                     progressBlock:(nullable PFProgressBlock)progressBlock {
+- (BFTask PF_GENERIC(PFCommandResult *)*)runFileDownloadCommandAsyncWithFileURL:(NSURL *)url
+                                                                 targetFilePath:(NSString *)filePath
+                                                              cancellationToken:(nullable BFCancellationToken *)cancellationToken
+                                                                  progressBlock:(nullable PFProgressBlock)progressBlock {
     return [self _performCommandRunningBlock:^id {
         NSURLRequest *request = [NSURLRequest requestWithURL:url];
         return [_session performFileDownloadURLRequestAsync:request