ffigen 20.0.0-dev.1 changelog

20.0.0-dev.1 #

Make the Logger argument of FfiGenerator.generate optional. It defaults to a logger printing to stdout and stderr.

20.0.0-dev.0 #

Breaking change: Completely rewrite the public Dart API for FFIgen. The new API is focused on a declartive configuration: FfiGenerate(...) with a generate() method. The configuration describes everything w.r.t. to the FFIgen input and output. The generate method takes context parameters such as a logger and path to libclang. With this breaking change, also some defaults changed: (1) @Native bindings are now the default, and (2) struct/unions refered to by pointer will be generated as Opaque by default.
Breaking change: Minor breaking change in the way that ObjC interface methods are generated. Interface methods are now generated as extension methods instead of being part of the class. This shouldn't require any code changes unless you are using show or hide when importing the interface.
- If you are using show/hide to show or hide a particular interface, eg Foo, you'll now also need to show or hide Foo$Methods.
- In rare cases the runtime type of the Dart wrapper object around the ObjC object may change, but the underlying ObjC object will still be the same. In any case, you should be using Foo.isInstance(x) instead of x is Foo to check the runtime type of an ObjC object.
Breaking change: Minor breaking change where ObjC enums declared using NS_OPTIONS now default to generating int constants instead of a Dart enum. Users who cared about this distinction were likely already using enums.as-int for these enums. This change just provides a better default behavior, so is unlikely to cause any substantive code changes.
Breaking_change: The name collision resolution system has been overhauled to fix various bugs, and make the renaming more consistent. As a result, in some cases different names may be chosen when resolving collisions.
Breaking_change: Detect the ObjC error raising pattern, where the last param is NSError** error, capture any error returned, and throw it as a Dart NSErrorException.
Fix for opaque dependencies for struct/union const arrays.

19.1.0 #

Bump minimum Dart version to 3.8.0.
Format using dart format so that the formatter uses the target package's Dart version and formatting options.
Add _ to the list of Dart keywords, since it has special meaning in newer Dart versions.
Update to the latest lints.

19.0.0 #

Use package:objective_c 8.0.0.
Breaking change: Major change to the way ObjC methods are code-genned. Methods now use named parameters, making them more readable and closer to how they're written in ObjC. For example, the NSData method dataWithBytes:length: used to be generated as dataWithBytes_length_(Pointer<Void> bytes, int length), but is now generated as dataWithBytes(Pointer<Void> bytes, {required int length}). Protocol methods are not affected.
- Migration tip: A quick way to find affected methods is to search for _(.
Make it easier for a downstream clone to change behavior of certain utils.
Fix a bug where types could occasionally show up as a generic ObjCObjectBase, when they were supposed to be codegenned as a more specific interface types.

18.1.0 #

Fix a clang warning in ObjC protocol generated bindings.

18.0.0 #

Use package:objective_c 7.0.0.
Add variable substitutions that can be used in the headers.entry-points to locate Apple APIs: $XCODE, $IOS_SDK, and $MACOS_SDK.
Add an empty constructor to all ObjC interfaces that have a new method, which just calls that method.
Breaking change: Change the usrTypeMappings field of Config's factory constructor from a List<ImportedType> to a Map<String, ImportedType>.
Add a keepIsolateAlive parameter to the block and protocol constructors that allows a block or protocol to keep its owner isolate alive.
Breaking change: keepIsolateAlive defaults to true, so all existing ObjC blocks and protocols now keep their isolates alive by default.
Change how protocols are implemented to fix a bug, by removing all uses of NSProxy.
Breaking change: Change how duplicate identifiers are renamed to match JNIgen. The main change is that $ is used as a delimiter now, to avoid renamed identifiers from colliding with other identifiers. For example, foo is renamed to foo$1 if there's already a foo in the namespace.
Fix a bug where blocking blocks could deadlock if invoked from the Flutter UI thread. Note that this relies on changes in Flutter that are currently only available in the main channel. These changes will likely be released in Flutter 3.31.0.

17.0.0 #

Use package:objective_c 6.0.0
Support transitive categories of built-in types: https://github.com/dart-lang/native/issues/1820
Breaking change: Maintain protocol conformance when translating from ObjC to Dart. For example, ObjC's id<FooProtocol> is now translated to Dart's FooProtocol. Generally this shouldn't be a breaking change for code that is using protocols correctly, with a few caveats:
- For more advanced use cases that use ObjCProtocolBuilder directly, after calling build() you will need to cast the generated object to the target protocol: FooProtocol.castFrom(protocolBuilder.build()).
- Due to limitations in the Dart type system, only the first protocol of an id is used: id<FooProtocol, BarProtocol> becomes FooProtocol. The FooProtocol.castFrom method can help work around issues this may cause.
Fix the handling of global arrays to remove the extra pointer reference.
Add a max field to the external-versions config, and use it to determine which APIs are generated.
Add a runtime OS version check to ObjC APIs, which throws an error if the current OS version is earlier than the version that the API was introduced.

16.1.0 #

Ensure that required symbols are available to FFI even when the final binary is linked with -dead_strip.
Handle dart typedefs in import/export of symbol files.
Add support for blocking ObjC blocks that can be invoked from any thread.
Add support for blocking ObjC protocol methods.
Remove explicit objc_retain calls from the generated bindings.

16.0.0 #

Ensure all protocols referenced in bindings are available at runtime.
Use package:dart_style directly to format generated Dart code, rather than subprocessing to dart format.
Use package:objective_c 4.0.0
Fix various small bugs todo with config filters:
Fix a bug where nullable typealiases were treated as non-null.
Allow static and instance methods to have the same name: https://github.com/dart-lang/native/issues/1136
Breaking change: Change the way ObjC categories are generated. Instead of inserting their methods into the interface, generate Dart extension methods. For instance methods this makes no difference to user code (as long as the extension methods are imported correctly). But for static methods it means MyInterface.staticMethod must change to MyCategory.staticMethod. Categories are included/excluded by the objc-categories config entry.
Add include-transitive-objc-interfaces, include-transitive-objc-protocols, and include-transitive-objc-categories config flags, which control whether transitively included ObjC interfaces, protocols, and categories are generated.
Breaking change: include-transitive-objc-interfaces defaults to false, which changes the default behavior from pulling in all transitive deps, to generating them as stubs. include-transitive-objc-protocols defaults to false, and include-transitive-objc-categories defaults to true, but these both replicate the existing behavior.
Fix bugs caused by mismatches between ObjC and Dart's inheritance rules.

15.0.0 #

Bump minimum Dart version to 3.4.
Dedupe ObjCBlock trampolines to reduce generated ObjC code.
Update to latest package:objective_c.
ObjC objects now include the methods from the protocols they implement. Both required and optional methods are included. Optional methods will throw an exception if the method isn't implemented.
Breaking change: Only generate ObjC protocol implementation bindings for protocols that are included by the config filters. This is breaking because previously super protocols would automatically get implementation bindings, rather than just being incorporated into the child protocol. If you want those implementation bindings, you may need to add the super protocol to your objc-protocols filters.
Fix a bug where ObjC listener blocks could be deleted after being invoked by ObjC but before the invocation was received by Dart: https://github.com/dart-lang/native/issues/1571
sort: config option now affects ObjC interface/protocol methods.
Fix a bug where NSRange was not being imported from package:objective_c: https://github.com/dart-lang/native/issues/1180
Breaking change: Return structs from ObjC methods by value instead of taking a struct return pointer.

14.0.1 #

Fix bug with nullable types in ObjCBlock's type arguments: https://github.com/dart-lang/native/issues/1537
Fix a path normalization bug: https://github.com/dart-lang/native/issues/1543

14.0.0 #

Create a public facing API for FFIgen that can be invoked as a library: void generate(Config config). Make Config an implementatble interface, rather than needing to be parsed from yaml.
Add a external-versions config option. Setting the minimum target version will omit APIs from the generated bindings if they were deprecated before this version.
Global variables using ObjC types (interfaces or blocks) will now use the correct Dart wrapper types, instead of the raw C-style pointers.
Rename assetId under ffi-native to asset-id to follow dash-case.
Breaking change: ObjC blocks are now passed through all ObjC APIs as ObjCBlock<Ret Function(Args...)>, instead of the codegenned ObjCBlock_... wrapper. The wrapper is now a non-constructible set of util methods for constructing ObjCBlock.
Breaking change: Generated ObjC code has been migrated to ARC (Automatic Reference Counting), and must now be compiled with ARC enabled. For example, if you had a line like s.requires_arc = [] in your podspec, this should either be removed, or you should add the FFIgen generated ObjC code to the list. If you're compiling directly with clang, add the -fobjc-arc flag.
Breaking change: Structs with enum members now generate their members as Dart enum values as well. For example, with an enum MyEnum and a struct with a member MyEnum enumMember, two members are generated: enumMemberAsInt which contains the original integer value, and enumMember, which is of type MyEnum. If you configure the enum to be generated as Dart integers, this new behavior will not apply, and the struct member will be an integer as well.
Breaking change: Enums generated as integers will now generate sealed classes as opposed to abstract classes.
Fix some bugs in the way ObjC method families and ownership annotations were being handled: https://github.com/dart-lang/native/issues/1446
Apply the existing member-rename option to ObjC interface and protocol methods and properties.
Add a member-filter option that filters ObjC interface and protocol methods and properties.

13.0.0 #

Breaking change: Code-gen the ObjC id type to ObjCObjectBase rather than NSObject, since not all ObjC classes inherit from NSObject. Eg NSProxy.
Breaking change: Generate a native trampoline for each listener block, to fix a ref counting bug: https://github.com/dart-lang/native/issues/835.
- If you have listener blocks affected by this ref count bug, a .m file will be generated containing the trampoline. You must compile this .m file into your package. If you already have a flutter plugin or build.dart, you can simply add this generated file to that build.
- If you don't use listener blocks, you can ignore the .m file.
- You can choose where the generated .m file is placed with the output.objc-bindings config option.
Breaking change: Native enums are now generated as real Dart enums, instead of abstract classes with integer constants. Native enum members with the same integer values are handled properly on the Dart side, and native functions that use enums in their signatures now accept the generated enums on the Dart side, instead of integer values. To opt out of this, use the enums->as-int option as specified in the README.
Breaking change: Enum integer types are implementation-defined and not part of the ABI. Therefore FFIgen does a best-effort approach trying to mimic the most common compilers for the various OS and architecture combinations. To silence the warning set config silence-enum-warning to true.
Rename ObjC interface methods that clash with type names. Fixes https://github.com/dart-lang/native/issues/1007.
Added support for implementing ObjC protocols from Dart. Use the objc-protocols config option to generate bindings for a protocol.
Fix some bugs where ObjC interface/protocol methods could collide with Dart built-in methods, or with types declared elsewhere in the generated bindings.
Add include-unused-typedefs to allow generating typedefs that are not referred to anywhere, the default option is false.
Use package:dart_flutter_team_lints.

12.0.0 #

Global variables are now compatible with the ffi-native option.
Exposing symbol addresses of functions and globals is now compatible with the ffi-native option.
Add retainAndReturnPointer method to ObjC objects and blocks, and add castFromPointer method to blocks.
Add -Wno-nullability-completeness as default compiler option for MacOS.
Breaking change: Use package:objective_c in ObjC bindings.
- ObjC packages will have a flutter dependency (until https://github.com/dart-lang/native/issues/1068 is fixed).
- Core classes such as NSString have been moved into package:objective_c.
- ObjC class methods don't need the ubiquitous lib argument anymore. In fact, FFIgen won't even generate the native library class (unless it needs to bind top level functions without using @Native). It is still necessary to DynamicLibrary.open the dylib though, to load the classes and methods.
- Adapting to this change:
  - Update FFIgen and re-run the code generation. If the generated code no longer contains the native library class, it means it isn't needed anymore. So final lib = FooNativeLib(DynamicLibrary.open('foo.dylib')); must be changed to DynamicLibrary.open('foo.dylib');.
  - Regardless of whether the native library class still exists, delete the lib parameter from all ObjC object constructors and static method calls and block constructors.
  - If core ObjC classes such as NSString are being used, package:objective_c must be imported, as they won't be exported by the generated bindings.
Add --[no-]format option to FFIgen command line, which controls whether the formatting step happens. Defaults to true.
Delete Dart functions associated with ObjC closure blocks when the block is destroyed. Fixes https://github.com/dart-lang/native/issues/204
Reduce cursor definition not found logs when structs/unions -> dependency-only is set to opaque.

11.0.0 #

Any compiler errors/warnings in source header files will now result in bindings to not be generated by default, since it may result in invalid bindings if the compiler makes a wrong guess. A flag --ignore-source-errors (or yaml config ignore-source-errors: true) must be passed to change this behaviour.
Breaking change: Stop generating setters for global variables marked const in C.
Fix objc_msgSend being used on arm64 platforms where it's not available.
Fix missing comma with ffi-native functions marked leaf.
Add support for finding libclang in Conda environment.

10.0.0 #

Stable release targeting Dart 3.2 using new dart:ffi features available in Dart 3.2 and later.
Add support for ObjC Blocks that can be invoked from any thread, using NativeCallable.listener.
Fix invalid exceptional return value ObjCBlocks that return floats.
Fix return_of_invalid_type analysis error for ObjCBlocks.
Fix crash in ObjC methods and blocks that return structs by value.
Fix ObjC methods returning instancetype having the wrong type in sublasses.
When generating typedefs for Pointer<NativeFunction<Function>>, also generate a typedef for the Function.
Use Dart wrapper types in args and returns of ObjCBlocks.
Use Dart wrapper types in args and returns of static functions.
Renamed asset to assetId for ffi-native.

9.0.1 #

Fix doc comment missing on struct/union array fields.
Allow extern inline functions to be generated.

9.0.0 #

Added a JSON schema for FFIgen config files.

8.0.2 #

Fixed invalid code generated due to zero-length arrays in structs/union.

8.0.1 #

Fixed invalid code generated due to anonymous structs/unions with unsupported types.

8.0.0 #

Stable release for Dart 3.0 with support for class modifers, variadic arguments, and @Natives.

8.0.0-dev.3 #

Added support for variadic functions using config functions -> variadic-arguments.

8.0.0-dev.2 #

Use @Native syntax instead of deprecated @FfiNative syntax.

8.0.0-dev.1 #

Fix invalid struct/enum member references due to multiple anonymous struct/enum in a declaration.

8.0.0-dev.0 #

Adds final class modifier to generated sub types Struct, Union and Opaque. A class modifier is required in Dart 3.0 because the classes dart:ffi as marked base. When migrating a package that uses FFIgen, and exposes the generated code in the public API of the package, to Dart 3.0, that package does not need a major version bump. Sub typing Struct, Union and Opaque sub types is already disallowed by dart:ffi pre 3.0, so adding the final keyword is not a breaking change.
Bumps SDK lowerbound to 3.0.

7.2.11 #

Fix invalid struct/enum member references due to multiple anonymous struct/enum in a declaration.

7.2.10 #

Generate parameter names in function pointer fields and typedefs.

7.2.9 #

Detect LLVM installed using Scoop on Windows machines.

7.2.8 #

Automatically generate ignore_for_file: type=lint if not specified in preamble.

7.2.7 #

Fix some macros not being generated in some cases due to relative header paths.

7.2.6 #

Fix path normalization behaviour for absolute paths and globs starting with **.

7.2.5 #

Add support nested anonymous union/struct

7.2.4 #

Add new supported typedef - uintptr_t (mapped to ffi.UintPtr).

7.2.3 #

Change compiler option order so that user options can override built-in options.

7.2.2 #

Added newer versions of LLVM, to default linuxDylibLocations.

7.2.1 #

Fix helper methods sometimes missing from NSString.

7.2.0 #

Added support for sharing bindings using symbol-file config. (See README.md and examples/shared_bindings).

7.1.0 #

Handle declarations with definition accessible from a different entry-point.

7.0.0 #

Fix typedef include/exclude config.
Return ObjCBlock wrapper instead of raw pointer in more cases.

7.0.0-dev #

Relative paths in FFIgen config files are now assumed to be relative to the config file, rather than the working directory of the tool invocation.

6.1.2 #

Fix bug where function bindings were not deduped correctly.

6.1.1 #

EXPERIMENTAL support for FfiNative. The API and output might change at any point.

6.1.0 #

Added exclude-all-by-default config flag, which changes the default behavior of declaration filters to exclude everything, rather than include everything.

6.0.2 #

Bump package:ffi to 2.0.1.

6.0.1 #

Replace path separators in include-directives before matching file names.
Add more ways to find libclang.

6.0.0 #

Removed config dart-bool. Booleans are now always generated with bool and ffi.Bool as it's Dart and C Type respectively.

5.0.1 #

Add a the xcode tools llvm as default path on MacOS.

5.0.0 #

Stable release targeting Dart 2.17, supporting ABI-specific integer types.
EXPERIMENTAL support for ObjectiveC on MacOS hosts. The API and output might change at any point. Feel free to report bugs if encountered.

5.0.0-dev.1 #

Fixed invalid default dart types being generated for size_t and wchar_t.

5.0.0-dev.0 #

Added support for generating ABI Specific integers.
Breaking: removed config keys - size-map and typedef-map.
Added config keys - library-imports and type-map.

4.1.3 #

Analyzer fixes.

4.1.2 #

Added fix for empty include list to exclude all

4.1.1 #

Added fix for errors due to name collision between member name and type name used internally in structs/unions.

4.1.0 #

Add config key functions -> leaf for specifying isLeaf:true for functions.

4.0.0 #

Release for Dart SDK >=2.14.

4.0.0-dev.2 #

Added config key functions -> expose-typedefs to expose the typedef to Native and Dart type.
Config key function->symbol-address no longer exposes the typedef to Native type. Use expose-typedefs to get the native type.

4.0.0-dev.1 #

This package now targets package:lints for the generated code. The generated code uses C symbol names as is. Use either // ignore_for_file: lintRule1, lintRule2 in the preamble, or rename the symbols to make package:lints happy.
Name collisions are now resolved by suffixing <int> instead of _<int>.

4.0.0-dev.0 #

Added support for generating typedefs (referred typedefs only).

Example C Code	Generated Dart typedef
`typedef struct A{ ... } TA, *PA; TA func(PA ptr);`	`class A extends ffi.Struct {...} typedef TA = A; typedef PA = ffi.Pointer<A>; TA func(PA ptr){...}`

All declarations that are excluded by the user are now only included if being used somewhere.
Improved struct/union include/exclude. These declarations can now be targetted by their actual name, or if they are unnamed then by the name of the first typedef that refers to them.

3.1.0-dev.1 #

Users can now specify exact path to dynamic library in llvm-path.

3.1.0-dev.0 #

Added support for generating unions.

3.0.0 #

Release for dart sdk >=2.13 (Support for packed structs and inline arrays).

3.0.0-beta.0 #

Added support for inline arrays in Structs.
Remove config key array-workaround.
Remove deprecated key llvm-lib from config, Use llvm-path instead.

2.5.0-beta.1 #

Added support for Packed structs. Packed annotations are generated automatically but can be overriden using structs -> pack config.
Updated sdk constraints to >=2.13.0-211.6.beta.

2.4.2 #

Fix issues due to declarations having duplicate names.
Fix name conflict of declaration with ffi library prefix.
Fix char not being recognized on platforms where it's unsigned by default.

2.4.1 #

Added /usr/lib to default dynamic library location for linux.

2.4.0 #

Added new config key llvm-path that accepts a list of path/to/llvm.
Deprecated config key llvm-lib.

2.3.0 #

Added config key compiler-opts-automatic -> macos -> include-c-standard-library (default: true) to automatically find and add C standard library on macOS.
Allow passing list of string to config key compiler-opts.

2.2.5 #

Added new command line flag --compiler-opts to the command line tool.

2.2.4 #

Fix sort: true not working.
Fix extra // or /// in comments when using comments -> style: full.

2.2.3 #

Added new subkey dependency-only (options - full (default) | opaque) under structs. When set to opaque, FFIgen will generate empty Opaque structs if structs were excluded in config (i.e added because they were a dependency) and only passed by reference(pointer).

2.2.2 #

Fixed generation of empty opaque structs due to forward declarations in header files.

2.2.1 #

Fixed generation of duplicate constants suffixed with _<int> when using multiple entry points.

2.2.0 #

Added subkey symbol-address to expose native symbol pointers for functions and globals.

2.1.0 #

Added a new named constructor NativeLibrary.fromLookup() to support dynamic linking.
Updated dart SDK constraints to latest stable version 2.12.0.

2.0.3 #

Ignore typedef to struct pointer when possible.
Recursively create directories for output file.

2.0.2 #

Fixed illegal use of const in name, crash due to unnamed inline structs and structs having Opaque members.

2.0.1 #

Switch to preview release of package:quiver.

2.0.0 #

Upgraded all dependencies. package:ffigen now runs with sound null safety.

2.0.0-dev.6 #

Functions marked inline are now skipped.

2.0.0-dev.5 #

Use Opaque for representing empty Structs.

2.0.0-dev.4 #

Add support for parsing and generating globals.

2.0.0-dev.3 #

Removed the usage of --no-sound-null-safety flag.

2.0.0-dev.2 #

Removed setup phase for FFIgen. Added new optional config key llvm-lib to specify path to llvm/lib folder.

2.0.0-dev.1 #

Added support for passing and returning struct by value in functions.

2.0.0-dev.0 #

Added support for Nested structs.

2.0.0-nullsafety.1 #

Removed the need for --no-sound-null-safety flag.

2.0.0-nullsafety.0 #

Migrated to (unsound) null safety.

1.2.0 #

Added support for Dart_Handle from dart_api.h.

1.1.0 #

typedef-map can now be used to map a typedef name to a native type directly.

1.0.6 #

Fixed missing typedefs nested in another typedef's return types.

1.0.5 #

Fixed issues with generating macros of type double.Infinity and double.NaN.

1.0.4 #

Updated code to use dart format instead of dartfmt for sdk version >= 2.10.0.

1.0.3 #

Fixed errors due to extended ASCII and control characters in macro strings.

1.0.2 #

Fix indentation for pub's readme.

1.0.1 #

Fixed generation of NativeFunction parameters instead of Pointer<NativeFunction> in type signatures.

1.0.0 #

Bump version to 1.0.0.
Handle unimplememnted function pointers causing errors.
Log lexical/semantic issues in headers as SEVERE.

0.3.0 #

Added support for including/excluding/renaming un-named enums using key unnamed_enums.

0.2.4+1 #

Minor changes to dylib creation error log.

0.2.4 #

Added support for C booleans as Uint8.
Added config dart-bool (default: true) to use dart bool instead of int in function parameters and return type.

0.2.3+3 #

Wrapper dynamic library version now uses FFIgen version from its pubspec.yaml file.

0.2.3+2 #

Handle code formatting using dartfmt by finding dart-sdk.

0.2.3+1 #

Fixed missing typedefs of nested function pointers.

0.2.3 #

Fixed parsing structs with bitfields, all members of structs with bit field members will now be removed. See #84

0.2.2+1 #

Updated package:meta version to ^1.1.8 for compatibility with flutter sdk.

0.2.2 #

Fixed multiple generation/skipping of typedef enclosed declarations.
Typedef names are now given higher preference over inner names, See #83.

0.2.1+1 #

Added FAQ to readme.

0.2.1 #

Fixed missing/duplicate typedef generation.

0.2.0 #

Updated header config. Header entry-points and include-directives are now specified under headers key. Glob syntax is allowed.
Updated declaration include/exclude config. These are now specified as a list.
Added Regexp based declaration renaming using rename subkey.
Added Regexp based member renaming for structs, enums and functions using member-rename subkey. prefix and prefix-replacement subkeys have been removed.

0.1.5 #

Added support for parsing macros and anonymous unnamed enums. These are generated as top level constants.

0.1.4 #

Comments config now has a style and length sub keys - style: doxygen(default) | any, length: brief | full(default), and can be disabled by passing comments: false.

0.1.3 #

Handled function arguments - dart keyword name collision
Fix travis tests: the dynamic library is created using pub run ffigen:setup before running the tests.

0.1.2 #

Fixed wrapper not found error when running pub run ffigen.

0.1.1 #

Address pub score: follow dart File conventions, provide documentation, and pass static analysis.

0.1.0 #

Support for Functions, Structs and Enums.
Glob support for specifying headers.
HeaderFilter - Include/Exclude declarations from specific header files using name matching.
Filters - Include/Exclude function, structs and enum declarations using Regexp or Name matching.
Prefixing - function, structs and enums can have a global prefix. Individual prefix Replacement support using Regexp.
Comment extraction: full/brief/none
Support for fixed size arrays in struct. array-workaround (if enabled) will generate helpers for accessing fixed size arrays in structs.
Size for ints can be specified using size-map in config.
Options to disable using supported typedefs (e.g uint8_t => Uint8), sort bindings.
Option to add a raw preamble which is included as is in the generated file.

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