Remove unused FFI fields and deduplicate structs

Author: Reef-7

sdk/runanywhere-flutter/packages/runanywhere/lib/native/native_functions.dart

@@ -58,45 +58,6 @@ abstract class NativeFunctions {
           Int32 Function(RacHandle),
           int Function(RacHandle)>('rac_llm_component_cancel');
 
-  static final int Function(
-    RacHandle,
-    Pointer<Utf8>,
-    Pointer<RacLlmOptionsStruct>,
-    Pointer<RacLlmResultStruct>,
-  ) llmGenerate = _lib.lookupFunction<
-      Int32 Function(RacHandle, Pointer<Utf8>, Pointer<RacLlmOptionsStruct>,
-          Pointer<RacLlmResultStruct>),
-      int Function(RacHandle, Pointer<Utf8>, Pointer<RacLlmOptionsStruct>,
-          Pointer<RacLlmResultStruct>)>('rac_llm_component_generate');
-
-  static final int Function(
-    RacHandle,
-    Pointer<Utf8>,
-    Pointer<RacLlmOptionsStruct>,
-    Pointer<NativeFunction<Int32 Function(Pointer<Utf8>, Pointer<Void>)>>,
-    Pointer<NativeFunction<Void Function(Pointer<RacLlmResultStruct>, Pointer<Void>)>>,
-    Pointer<NativeFunction<Void Function(Int32, Pointer<Utf8>, Pointer<Void>)>>,
-    Pointer<Void>,
-  ) llmGenerateStream = _lib.lookupFunction<
-      Int32 Function(
-        RacHandle,
-        Pointer<Utf8>,
-        Pointer<RacLlmOptionsStruct>,
-        Pointer<NativeFunction<Int32 Function(Pointer<Utf8>, Pointer<Void>)>>,
-        Pointer<NativeFunction<Void Function(Pointer<RacLlmResultStruct>, Pointer<Void>)>>,
-        Pointer<NativeFunction<Void Function(Int32, Pointer<Utf8>, Pointer<Void>)>>,
-        Pointer<Void>,
-      ),
-      int Function(
-        RacHandle,
-        Pointer<Utf8>,
-        Pointer<RacLlmOptionsStruct>,
-        Pointer<NativeFunction<Int32 Function(Pointer<Utf8>, Pointer<Void>)>>,
-        Pointer<NativeFunction<Void Function(Pointer<RacLlmResultStruct>, Pointer<Void>)>>,
-        Pointer<NativeFunction<Void Function(Int32, Pointer<Utf8>, Pointer<Void>)>>,
-        Pointer<Void>,
-      )>('rac_llm_component_generate_stream');
-
   static final void Function(RacHandle) llmDestroy =
       _lib.lookupFunction<
           Void Function(RacHandle),
@@ -134,28 +95,6 @@ abstract class NativeFunctions {
           Int32 Function(RacHandle),
           int Function(RacHandle)>('rac_stt_component_cleanup');
 
-  static final int Function(
-    RacHandle,
-    Pointer<Void>,
-    int,
-    Pointer<RacSttOptionsStruct>,
-    Pointer<RacSttResultStruct>,
-  ) sttTranscribe = _lib.lookupFunction<
-      Int32 Function(
-        RacHandle,
-        Pointer<Void>,
-        IntPtr,
-        Pointer<RacSttOptionsStruct>,
-        Pointer<RacSttResultStruct>,
-      ),
-      int Function(
-        RacHandle,
-        Pointer<Void>,
-        int,
-        Pointer<RacSttOptionsStruct>,
-        Pointer<RacSttResultStruct>,
-      )>('rac_stt_component_transcribe');
-
   static final void Function(Pointer<RacSttResultStruct>) sttResultFree =
       _lib.lookupFunction<Void Function(Pointer<RacSttResultStruct>),
           void Function(Pointer<RacSttResultStruct>)>('rac_stt_result_free');
@@ -197,25 +136,6 @@ abstract class NativeFunctions {
           Int32 Function(RacHandle),
           int Function(RacHandle)>('rac_tts_component_stop');
 
-  static final int Function(
-    RacHandle,
-    Pointer<Utf8>,
-    Pointer<RacTtsOptionsStruct>,
-    Pointer<RacTtsResultStruct>,
-  ) ttsSynthesize = _lib.lookupFunction<
-      Int32 Function(
-        RacHandle,
-        Pointer<Utf8>,
-        Pointer<RacTtsOptionsStruct>,
-        Pointer<RacTtsResultStruct>,
-      ),
-      int Function(
-        RacHandle,
-        Pointer<Utf8>,
-        Pointer<RacTtsOptionsStruct>,
-        Pointer<RacTtsResultStruct>,
-      )>('rac_tts_component_synthesize');
-
   static final void Function(RacHandle) ttsDestroy =
       _lib.lookupFunction<
           Void Function(RacHandle),
@@ -357,17 +277,6 @@ abstract class NativeFunctions {
           Int32 Function(RacHandle),
           int Function(RacHandle)>('rac_voice_agent_initialize_with_loaded_models');
 
-  static final int Function(RacHandle, Pointer<Void>, int, Pointer<Void>)
-      voiceAgentProcessVoiceTurn =
-      _lib.lookupFunction<
-          Int32 Function(RacHandle, Pointer<Void>, IntPtr, Pointer<Void>),
-          int Function(
-              RacHandle, Pointer<Void>, int, Pointer<Void>)>('rac_voice_agent_process_voice_turn');
-
-  static final void Function(Pointer<Void>) voiceAgentResultFree =
-      _lib.lookupFunction<Void Function(Pointer<Void>),
-          void Function(Pointer<Void>)>('rac_voice_agent_result_free');
-
   static final int Function(RacHandle, Pointer<Void>, int,
           Pointer<Pointer<Utf8>>) voiceAgentTranscribe =
       _lib.lookupFunction<
@@ -404,117 +313,3 @@ abstract class NativeFunctions {
       _lib.lookupFunction<Void Function(Pointer<Void>),
           void Function(Pointer<Void>)>('rac_free');
 }
-
-// =============================================================================
-// FFI Structs
-// =============================================================================
-//
-// These are the native struct layouts used by a subset of component functions.
-// They are defined here (instead of `ffi_types.dart`) so that `NativeFunctions`
-// exposes correctly typed pointers without requiring other library imports.
-
-/// FFI struct for STT options (matches `rac_stt_options_t`).
-final class RacSttOptionsStruct extends Struct {
-  /// Language code (e.g., "en")
-  external Pointer<Utf8> language;
-
-  /// Whether to auto-detect language
-  @Int32()
-  external int detectLanguage;
-
-  /// Whether to add punctuation
-  @Int32()
-  external int enablePunctuation;
-
-  /// Whether to enable speaker diarization
-  @Int32()
-  external int enableDiarization;
-
-  /// Maximum number of speakers for diarization
-  @Int32()
-  external int maxSpeakers;
-
-  /// Whether to include word timestamps
-  @Int32()
-  external int enableTimestamps;
-
-  /// Audio format of input data (`rac_audio_format_enum_t`)
-  @Int32()
-  external int audioFormat;
-
-  /// Sample rate of input audio in Hz
-  @Int32()
-  external int sampleRate;
-}
-
-/// FFI struct for STT result (matches `rac_stt_result_t`).
-final class RacSttResultStruct extends Struct {
-  external Pointer<Utf8> text;
-
-  @Double()
-  external double confidence;
-
-  @Int32()
-  external int durationMs;
-
-  external Pointer<Utf8> language;
-}
-
-/// FFI struct for TTS options (matches `rac_tts_options_t`).
-final class RacTtsOptionsStruct extends Struct {
-  /// Voice to use for synthesis (can be NULL for default)
-  external Pointer<Utf8> voice;
-
-  /// Language for synthesis (BCP-47 format, e.g., "en-US")
-  external Pointer<Utf8> language;
-
-  /// Speech rate (0.0 to 2.0, 1.0 is normal)
-  @Float()
-  external double rate;
-
-  /// Speech pitch (0.0 to 2.0, 1.0 is normal)
-  @Float()
-  external double pitch;
-
-  /// Speech volume (0.0 to 1.0)
-  @Float()
-  external double volume;
-
-  /// Audio format for output (`rac_audio_format_enum_t`)
-  @Int32()
-  external int audioFormat;
-
-  /// Sample rate for output audio in Hz
-  @Int32()
-  external int sampleRate;
-
-  /// Whether to use SSML markup (`rac_bool_t`)
-  @Int32()
-  external int useSsml;
-}
-
-/// FFI struct for TTS result (matches `rac_tts_result_t`).
-final class RacTtsResultStruct extends Struct {
-  /// Audio data (PCM float samples)
-  external Pointer<Void> audioData;
-
-  /// Size of audio data in bytes (size_t)
-  @IntPtr()
-  external int audioSize;
-
-  /// Audio format (`rac_audio_format_enum_t`)
-  @Int32()
-  external int audioFormat;
-
-  /// Sample rate in Hz
-  @Int32()
-  external int sampleRate;
-
-  /// Duration in milliseconds
-  @Int64()
-  external int durationMs;
-
-  /// Processing time in milliseconds
-  @Int64()
-  external int processingTimeMs;
-}