https://source.android.com/ 
class android.speech.tts.TextToSpeech$9 implements android.speech.tts.TextToSpeech$Action<java.lang.Integer>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: android.speech.tts.TextToSpeech$9
  super_class: java.lang.Object
{
  final android.speech.tts.TextToSpeech this$0;
    descriptor: Landroid/speech/tts/TextToSpeech;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final java.util.Locale val$loc;
    descriptor: Ljava/util/Locale;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(android.speech.tts.TextToSpeech, java.util.Locale);
    descriptor: (Landroid/speech/tts/TextToSpeech;Ljava/util/Locale;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // android.speech.tts.TextToSpeech$9 this
         0: .line 1473
            aload 0 /* this */
            aload 1
            putfield android.speech.tts.TextToSpeech$9.this$0:Landroid/speech/tts/TextToSpeech;
            aload 0 /* this */
            aload 2
            putfield android.speech.tts.TextToSpeech$9.val$loc:Ljava/util/Locale;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // android.speech.tts.TextToSpeech$9 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Landroid/speech/tts/TextToSpeech$9;
    MethodParameters:
         Name  Flags
      this$0   final
      val$loc  final

  public java.lang.Integer run(android.speech.tts.ITextToSpeechService);
    descriptor: (Landroid/speech/tts/ITextToSpeechService;)Ljava/lang/Integer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=11, args_size=2
        start local 0 // android.speech.tts.TextToSpeech$9 this
        start local 1 // android.speech.tts.ITextToSpeechService service
         0: .line 1476
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.val$loc:Ljava/util/Locale;
            ifnonnull 2
         1: .line 1477
            bipush -2
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
         2: .line 1479
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 2 /* language */
        start local 2 // java.lang.String language
         3: aconst_null
            astore 3 /* country */
        start local 3 // java.lang.String country
         4: .line 1481
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.val$loc:Ljava/util/Locale;
            invokevirtual java.util.Locale.getISO3Language:()Ljava/lang/String;
            astore 2 /* language */
         5: .line 1482
            goto 9
      StackMap locals: android.speech.tts.TextToSpeech$9 android.speech.tts.ITextToSpeechService java.lang.String java.lang.String
      StackMap stack: java.util.MissingResourceException
         6: astore 4 /* e */
        start local 4 // java.util.MissingResourceException e
         7: .line 1483
            ldc "TextToSpeech"
            new java.lang.StringBuilder
            dup
            ldc "Couldn't retrieve ISO 639-2/T language code for locale: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.val$loc:Ljava/util/Locale;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 4 /* e */
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
            pop
         8: .line 1484
            bipush -2
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        end local 4 // java.util.MissingResourceException e
         9: .line 1488
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.val$loc:Ljava/util/Locale;
            invokevirtual java.util.Locale.getISO3Country:()Ljava/lang/String;
            astore 3 /* country */
        10: .line 1489
            goto 14
      StackMap locals:
      StackMap stack: java.util.MissingResourceException
        11: astore 4 /* e */
        start local 4 // java.util.MissingResourceException e
        12: .line 1490
            ldc "TextToSpeech"
            new java.lang.StringBuilder
            dup
            ldc "Couldn't retrieve ISO 3166 country code for locale: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.val$loc:Ljava/util/Locale;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 4 /* e */
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
            pop
        13: .line 1491
            bipush -2
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        end local 4 // java.util.MissingResourceException e
        14: .line 1494
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.val$loc:Ljava/util/Locale;
            invokevirtual java.util.Locale.getVariant:()Ljava/lang/String;
            astore 4 /* variant */
        start local 4 // java.lang.String variant
        15: .line 1501
            aload 1 /* service */
            aload 2 /* language */
            aload 3 /* country */
            aload 4 /* variant */
            invokeinterface android.speech.tts.ITextToSpeechService.isLanguageAvailable:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)I
            istore 5 /* result */
        start local 5 // int result
        16: .line 1502
            iload 5 /* result */
            iflt 54
        17: .line 1504
            aload 1 /* service */
            aload 2 /* language */
            aload 3 /* country */
            aload 4 /* variant */
            invokeinterface android.speech.tts.ITextToSpeechService.getDefaultVoiceNameFor:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            astore 6 /* voiceName */
        start local 6 // java.lang.String voiceName
        18: .line 1505
            aload 6 /* voiceName */
            invokestatic android.text.TextUtils.isEmpty:(Ljava/lang/CharSequence;)Z
            ifeq 23
        19: .line 1506
            ldc "TextToSpeech"
            new java.lang.StringBuilder
            dup
            ldc "Couldn't find the default voice for "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* language */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "-"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        20: .line 1507
            aload 3 /* country */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "-"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 4 /* variant */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        21: .line 1506
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;)I
            pop
        22: .line 1508
            bipush -2
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        23: .line 1512
      StackMap locals: java.lang.String int java.lang.String
      StackMap stack:
            aload 1 /* service */
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.this$0:Landroid/speech/tts/TextToSpeech;
            invokevirtual android.speech.tts.TextToSpeech.getCallerIdentity:()Landroid/os/IBinder;
            aload 6 /* voiceName */
            invokeinterface android.speech.tts.ITextToSpeechService.loadVoice:(Landroid/os/IBinder;Ljava/lang/String;)I
            iconst_m1
            if_icmpne 29
        24: .line 1513
            ldc "TextToSpeech"
            new java.lang.StringBuilder
            dup
            ldc "The service claimed "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* language */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "-"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 3 /* country */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "-"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        25: .line 1514
            aload 4 /* variant */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " was available with voice name "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 6 /* voiceName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        26: .line 1515
            ldc " but loadVoice returned ERROR"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        27: .line 1513
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;)I
            pop
        28: .line 1516
            bipush -2
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        29: .line 1521
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.this$0:Landroid/speech/tts/TextToSpeech;
            aload 1 /* service */
            aload 6 /* voiceName */
            invokevirtual android.speech.tts.TextToSpeech.getVoice:(Landroid/speech/tts/ITextToSpeechService;Ljava/lang/String;)Landroid/speech/tts/Voice;
            astore 7 /* voice */
        start local 7 // android.speech.tts.Voice voice
        30: .line 1522
            aload 7 /* voice */
            ifnonnull 36
        31: .line 1523
            ldc "TextToSpeech"
            new java.lang.StringBuilder
            dup
            ldc "getDefaultVoiceNameFor returned "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 6 /* voiceName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " for locale "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        32: .line 1524
            aload 2 /* language */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "-"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 3 /* country */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "-"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 4 /* variant */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        33: .line 1525
            ldc " but getVoice returns null"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        34: .line 1523
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;)I
            pop
        35: .line 1526
            bipush -2
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        36: .line 1528
      StackMap locals: android.speech.tts.Voice
      StackMap stack:
            ldc ""
            astore 8 /* voiceLanguage */
        start local 8 // java.lang.String voiceLanguage
        37: .line 1530
            aload 7 /* voice */
            invokevirtual android.speech.tts.Voice.getLocale:()Ljava/util/Locale;
            invokevirtual java.util.Locale.getISO3Language:()Ljava/lang/String;
            astore 8 /* voiceLanguage */
        38: .line 1531
            goto 43
      StackMap locals: android.speech.tts.TextToSpeech$9 android.speech.tts.ITextToSpeechService java.lang.String java.lang.String java.lang.String int java.lang.String android.speech.tts.Voice java.lang.String
      StackMap stack: java.util.MissingResourceException
        39: astore 9 /* e */
        start local 9 // java.util.MissingResourceException e
        40: .line 1532
            ldc "TextToSpeech"
            new java.lang.StringBuilder
            dup
            ldc "Couldn't retrieve ISO 639-2/T language code for locale: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        41: .line 1533
            aload 7 /* voice */
            invokevirtual android.speech.tts.Voice.getLocale:()Ljava/util/Locale;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 9 /* e */
        42: .line 1532
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
            pop
        end local 9 // java.util.MissingResourceException e
        43: .line 1536
      StackMap locals:
      StackMap stack:
            ldc ""
            astore 9 /* voiceCountry */
        start local 9 // java.lang.String voiceCountry
        44: .line 1538
            aload 7 /* voice */
            invokevirtual android.speech.tts.Voice.getLocale:()Ljava/util/Locale;
            invokevirtual java.util.Locale.getISO3Country:()Ljava/lang/String;
            astore 9 /* voiceCountry */
        45: .line 1539
            goto 50
      StackMap locals: android.speech.tts.TextToSpeech$9 android.speech.tts.ITextToSpeechService java.lang.String java.lang.String java.lang.String int java.lang.String android.speech.tts.Voice java.lang.String java.lang.String
      StackMap stack: java.util.MissingResourceException
        46: astore 10 /* e */
        start local 10 // java.util.MissingResourceException e
        47: .line 1540
            ldc "TextToSpeech"
            new java.lang.StringBuilder
            dup
            ldc "Couldn't retrieve ISO 3166 country code for locale: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        48: .line 1541
            aload 7 /* voice */
            invokevirtual android.speech.tts.Voice.getLocale:()Ljava/util/Locale;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 10 /* e */
        49: .line 1540
            invokestatic android.util.Log.w:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
            pop
        end local 10 // java.util.MissingResourceException e
        50: .line 1543
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.this$0:Landroid/speech/tts/TextToSpeech;
            getfield android.speech.tts.TextToSpeech.mParams:Landroid/os/Bundle;
            ldc "voiceName"
            aload 6 /* voiceName */
            invokevirtual android.os.Bundle.putString:(Ljava/lang/String;Ljava/lang/String;)V
        51: .line 1544
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.this$0:Landroid/speech/tts/TextToSpeech;
            getfield android.speech.tts.TextToSpeech.mParams:Landroid/os/Bundle;
            ldc "language"
            aload 8 /* voiceLanguage */
            invokevirtual android.os.Bundle.putString:(Ljava/lang/String;Ljava/lang/String;)V
        52: .line 1545
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.this$0:Landroid/speech/tts/TextToSpeech;
            getfield android.speech.tts.TextToSpeech.mParams:Landroid/os/Bundle;
            ldc "country"
            aload 9 /* voiceCountry */
            invokevirtual android.os.Bundle.putString:(Ljava/lang/String;Ljava/lang/String;)V
        53: .line 1546
            aload 0 /* this */
            getfield android.speech.tts.TextToSpeech$9.this$0:Landroid/speech/tts/TextToSpeech;
            getfield android.speech.tts.TextToSpeech.mParams:Landroid/os/Bundle;
            ldc "variant"
            aload 7 /* voice */
            invokevirtual android.speech.tts.Voice.getLocale:()Ljava/util/Locale;
            invokevirtual java.util.Locale.getVariant:()Ljava/lang/String;
            invokevirtual android.os.Bundle.putString:(Ljava/lang/String;Ljava/lang/String;)V
        end local 9 // java.lang.String voiceCountry
        end local 8 // java.lang.String voiceLanguage
        end local 7 // android.speech.tts.Voice voice
        end local 6 // java.lang.String voiceName
        54: .line 1548
      StackMap locals: android.speech.tts.TextToSpeech$9 android.speech.tts.ITextToSpeechService java.lang.String java.lang.String java.lang.String int
      StackMap stack:
            iload 5 /* result */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        end local 5 // int result
        end local 4 // java.lang.String variant
        end local 3 // java.lang.String country
        end local 2 // java.lang.String language
        end local 1 // android.speech.tts.ITextToSpeechService service
        end local 0 // android.speech.tts.TextToSpeech$9 this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   55     0           this  Landroid/speech/tts/TextToSpeech$9;
            0   55     1        service  Landroid/speech/tts/ITextToSpeechService;
            3   55     2       language  Ljava/lang/String;
            4   55     3        country  Ljava/lang/String;
            7    9     4              e  Ljava/util/MissingResourceException;
           12   14     4              e  Ljava/util/MissingResourceException;
           15   55     4        variant  Ljava/lang/String;
           16   55     5         result  I
           18   54     6      voiceName  Ljava/lang/String;
           30   54     7          voice  Landroid/speech/tts/Voice;
           37   54     8  voiceLanguage  Ljava/lang/String;
           40   43     9              e  Ljava/util/MissingResourceException;
           44   54     9   voiceCountry  Ljava/lang/String;
           47   50    10              e  Ljava/util/MissingResourceException;
      Exception table:
        from    to  target  type
           4     5       6  Class java.util.MissingResourceException
           9    10      11  Class java.util.MissingResourceException
          37    38      39  Class java.util.MissingResourceException
          44    45      46  Class java.util.MissingResourceException
    Exceptions:
      throws android.os.RemoteException
    MethodParameters:
         Name  Flags
      service  

  public java.lang.Object run(android.speech.tts.ITextToSpeechService);
    descriptor: (Landroid/speech/tts/ITextToSpeechService;)Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual android.speech.tts.TextToSpeech$9.run:(Landroid/speech/tts/ITextToSpeechService;)Ljava/lang/Integer;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Exceptions:
      throws android.os.RemoteException
}
Signature: Ljava/lang/Object;Landroid/speech/tts/TextToSpeech$Action<Ljava/lang/Integer;>;
SourceFile: "TextToSpeech.java"
EnclosingMethod: android.speech.tts.TextToSpeech.setLanguage:(Ljava/util/Locale;)I
NestHost: android.speech.tts.TextToSpeech
InnerClasses:
  android.speech.tts.TextToSpeech$9
  private abstract Action = android.speech.tts.TextToSpeech$Action of android.speech.tts.TextToSpeech