https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 
final class com.google.common.io.BaseEncoding$Alphabet
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.google.common.io.BaseEncoding$Alphabet
  super_class: java.lang.Object
{
  private final java.lang.String name;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final char[] chars;
    descriptor: [C
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  final int mask;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  final int bitsPerChar;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  final int charsPerChunk;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  final int bytesPerChunk;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  private final byte[] decodabet;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean[] validPadding;
    descriptor: [Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(java.lang.String, char[]);
    descriptor: (Ljava/lang/String;[C)V
    flags: (0x0000) 
    Code:
      stack=6, locals=7, args_size=3
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
        start local 1 // java.lang.String name
        start local 2 // char[] chars
         0: .line 431
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 432
            aload 0 /* this */
            aload 1 /* name */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.String
            putfield com.google.common.io.BaseEncoding$Alphabet.name:Ljava/lang/String;
         2: .line 433
            aload 0 /* this */
            aload 2 /* chars */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast char[]
            putfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
         3: .line 435
            aload 0 /* this */
            aload 2 /* chars */
            arraylength
            getstatic java.math.RoundingMode.UNNECESSARY:Ljava/math/RoundingMode;
            invokestatic com.google.common.math.IntMath.log2:(ILjava/math/RoundingMode;)I
            putfield com.google.common.io.BaseEncoding$Alphabet.bitsPerChar:I
         4: .line 436
            goto 7
      StackMap locals: com.google.common.io.BaseEncoding$Alphabet java.lang.String char[]
      StackMap stack: java.lang.ArithmeticException
         5: astore 3 /* e */
        start local 3 // java.lang.ArithmeticException e
         6: .line 437
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Illegal alphabet length "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* chars */
            arraylength
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 3 /* e */
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.lang.ArithmeticException e
         7: .line 444
      StackMap locals:
      StackMap stack:
            bipush 8
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.bitsPerChar:I
            invokestatic java.lang.Integer.lowestOneBit:(I)I
            invokestatic java.lang.Math.min:(II)I
            istore 3 /* gcd */
        start local 3 // int gcd
         8: .line 446
            aload 0 /* this */
            bipush 8
            iload 3 /* gcd */
            idiv
            putfield com.google.common.io.BaseEncoding$Alphabet.charsPerChunk:I
         9: .line 447
            aload 0 /* this */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.bitsPerChar:I
            iload 3 /* gcd */
            idiv
            putfield com.google.common.io.BaseEncoding$Alphabet.bytesPerChunk:I
        10: .line 448
            goto 13
      StackMap locals: com.google.common.io.BaseEncoding$Alphabet java.lang.String char[] int
      StackMap stack: java.lang.ArithmeticException
        11: astore 4 /* e */
        start local 4 // java.lang.ArithmeticException e
        12: .line 449
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Illegal alphabet "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            new java.lang.String
            dup
            aload 2 /* chars */
            invokespecial java.lang.String.<init>:([C)V
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 4 /* e */
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 4 // java.lang.ArithmeticException e
        13: .line 452
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* chars */
            arraylength
            iconst_1
            isub
            putfield com.google.common.io.BaseEncoding$Alphabet.mask:I
        14: .line 454
            sipush 128
            newarray 8
            astore 4 /* decodabet */
        start local 4 // byte[] decodabet
        15: .line 455
            aload 4 /* decodabet */
            iconst_m1
            invokestatic java.util.Arrays.fill:([BB)V
        16: .line 456
            iconst_0
            istore 5 /* i */
        start local 5 // int i
        17: goto 27
        18: .line 457
      StackMap locals: byte[] int
      StackMap stack:
            aload 2 /* chars */
            iload 5 /* i */
            caload
            istore 6 /* c */
        start local 6 // char c
        19: .line 458
            iload 6 /* c */
            aload 4 /* decodabet */
            arraylength
            if_icmpge 20
            iconst_1
            goto 21
      StackMap locals: int
      StackMap stack:
        20: iconst_0
      StackMap locals:
      StackMap stack: int
        21: ldc "Non-ASCII character: %s"
            iload 6 /* c */
            invokestatic com.google.common.base.Preconditions.checkArgument:(ZLjava/lang/String;C)V
        22: .line 459
            aload 4 /* decodabet */
            iload 6 /* c */
            baload
            iconst_m1
            if_icmpne 23
            iconst_1
            goto 24
      StackMap locals:
      StackMap stack:
        23: iconst_0
      StackMap locals:
      StackMap stack: int
        24: ldc "Duplicate character: %s"
            iload 6 /* c */
            invokestatic com.google.common.base.Preconditions.checkArgument:(ZLjava/lang/String;C)V
        25: .line 460
            aload 4 /* decodabet */
            iload 6 /* c */
            iload 5 /* i */
            i2b
            bastore
        end local 6 // char c
        26: .line 456
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
        27: iload 5 /* i */
            aload 2 /* chars */
            arraylength
            if_icmplt 18
        end local 5 // int i
        28: .line 462
            aload 0 /* this */
            aload 4 /* decodabet */
            putfield com.google.common.io.BaseEncoding$Alphabet.decodabet:[B
        29: .line 464
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.charsPerChunk:I
            newarray 4
            astore 5 /* validPadding */
        start local 5 // boolean[] validPadding
        30: .line 465
            iconst_0
            istore 6 /* i */
        start local 6 // int i
        31: goto 34
        32: .line 466
      StackMap locals: com.google.common.io.BaseEncoding$Alphabet java.lang.String char[] int byte[] boolean[] int
      StackMap stack:
            aload 5 /* validPadding */
            iload 6 /* i */
            bipush 8
            imul
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.bitsPerChar:I
            getstatic java.math.RoundingMode.CEILING:Ljava/math/RoundingMode;
            invokestatic com.google.common.math.IntMath.divide:(IILjava/math/RoundingMode;)I
            iconst_1
            bastore
        33: .line 465
            iinc 6 /* i */ 1
      StackMap locals:
      StackMap stack:
        34: iload 6 /* i */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.bytesPerChunk:I
            if_icmplt 32
        end local 6 // int i
        35: .line 468
            aload 0 /* this */
            aload 5 /* validPadding */
            putfield com.google.common.io.BaseEncoding$Alphabet.validPadding:[Z
        36: .line 469
            return
        end local 5 // boolean[] validPadding
        end local 4 // byte[] decodabet
        end local 3 // int gcd
        end local 2 // char[] chars
        end local 1 // java.lang.String name
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   37     0          this  Lcom/google/common/io/BaseEncoding$Alphabet;
            0   37     1          name  Ljava/lang/String;
            0   37     2         chars  [C
            6    7     3             e  Ljava/lang/ArithmeticException;
            8   37     3           gcd  I
           12   13     4             e  Ljava/lang/ArithmeticException;
           15   37     4     decodabet  [B
           17   28     5             i  I
           19   26     6             c  C
           30   37     5  validPadding  [Z
           31   35     6             i  I
      Exception table:
        from    to  target  type
           3     4       5  Class java.lang.ArithmeticException
           8    10      11  Class java.lang.ArithmeticException
    MethodParameters:
       Name  Flags
      name   
      chars  

  char encode(int);
    descriptor: (I)C
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
        start local 1 // int bits
         0: .line 472
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            iload 1 /* bits */
            caload
            ireturn
        end local 1 // int bits
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/io/BaseEncoding$Alphabet;
            0    1     1  bits  I
    MethodParameters:
      Name  Flags
      bits  

  boolean isValidPaddingStartPosition(int);
    descriptor: (I)Z
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
        start local 1 // int index
         0: .line 476
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.validPadding:[Z
            iload 1 /* index */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.charsPerChunk:I
            irem
            baload
            ireturn
        end local 1 // int index
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/google/common/io/BaseEncoding$Alphabet;
            0    1     1  index  I
    MethodParameters:
       Name  Flags
      index  

  boolean canDecode(char);
    descriptor: (C)Z
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
        start local 1 // char ch
         0: .line 480
            iload 1 /* ch */
            bipush 127
            if_icmpgt 1
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.decodabet:[B
            iload 1 /* ch */
            baload
            iconst_m1
            if_icmpeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // char ch
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/io/BaseEncoding$Alphabet;
            0    2     1    ch  C
    MethodParameters:
      Name  Flags
      ch    

  int decode(char);
    descriptor: (C)I
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
        start local 1 // char ch
         0: .line 484
            iload 1 /* ch */
            bipush 127
            if_icmple 2
         1: .line 485
            new com.google.common.io.BaseEncoding$DecodingException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unrecognized character: 0x"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* ch */
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial com.google.common.io.BaseEncoding$DecodingException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 487
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.decodabet:[B
            iload 1 /* ch */
            baload
            istore 2 /* result */
        start local 2 // int result
         3: .line 488
            iload 2 /* result */
            iconst_m1
            if_icmpne 7
         4: .line 489
            iload 1 /* ch */
            bipush 32
            if_icmple 5
            iload 1 /* ch */
            bipush 127
            if_icmpne 6
         5: .line 490
      StackMap locals: int
      StackMap stack:
            new com.google.common.io.BaseEncoding$DecodingException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unrecognized character: 0x"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* ch */
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial com.google.common.io.BaseEncoding$DecodingException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 492
      StackMap locals:
      StackMap stack:
            new com.google.common.io.BaseEncoding$DecodingException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unrecognized character: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* ch */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial com.google.common.io.BaseEncoding$DecodingException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 495
      StackMap locals:
      StackMap stack:
            iload 2 /* result */
            ireturn
        end local 2 // int result
        end local 1 // char ch
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lcom/google/common/io/BaseEncoding$Alphabet;
            0    8     1      ch  C
            3    8     2  result  I
    Exceptions:
      throws com.google.common.io.BaseEncoding$DecodingException
    MethodParameters:
      Name  Flags
      ch    

  private boolean hasLowerCase();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=5, args_size=1
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
         0: .line 499
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            dup
            astore 4
            arraylength
            istore 3
            iconst_0
            istore 2
            goto 5
      StackMap locals: com.google.common.io.BaseEncoding$Alphabet top int int char[]
      StackMap stack:
         1: aload 4
            iload 2
            caload
            istore 1 /* c */
        start local 1 // char c
         2: .line 500
            iload 1 /* c */
            invokestatic com.google.common.base.Ascii.isLowerCase:(C)Z
            ifeq 4
         3: .line 501
            iconst_1
            ireturn
        end local 1 // char c
         4: .line 499
      StackMap locals:
      StackMap stack:
            iinc 2 1
      StackMap locals:
      StackMap stack:
         5: iload 2
            iload 3
            if_icmplt 1
         6: .line 504
            iconst_0
            ireturn
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lcom/google/common/io/BaseEncoding$Alphabet;
            2    4     1     c  C

  private boolean hasUpperCase();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=5, args_size=1
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
         0: .line 508
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            dup
            astore 4
            arraylength
            istore 3
            iconst_0
            istore 2
            goto 5
      StackMap locals: com.google.common.io.BaseEncoding$Alphabet top int int char[]
      StackMap stack:
         1: aload 4
            iload 2
            caload
            istore 1 /* c */
        start local 1 // char c
         2: .line 509
            iload 1 /* c */
            invokestatic com.google.common.base.Ascii.isUpperCase:(C)Z
            ifeq 4
         3: .line 510
            iconst_1
            ireturn
        end local 1 // char c
         4: .line 508
      StackMap locals:
      StackMap stack:
            iinc 2 1
      StackMap locals:
      StackMap stack:
         5: iload 2
            iload 3
            if_icmplt 1
         6: .line 513
            iconst_0
            ireturn
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lcom/google/common/io/BaseEncoding$Alphabet;
            2    4     1     c  C

  com.google.common.io.BaseEncoding$Alphabet upperCase();
    descriptor: ()Lcom/google/common/io/BaseEncoding$Alphabet;
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
         0: .line 517
            aload 0 /* this */
            invokevirtual com.google.common.io.BaseEncoding$Alphabet.hasLowerCase:()Z
            ifne 2
         1: .line 518
            aload 0 /* this */
            areturn
         2: .line 520
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual com.google.common.io.BaseEncoding$Alphabet.hasUpperCase:()Z
            ifeq 3
            iconst_0
            goto 4
      StackMap locals:
      StackMap stack:
         3: iconst_1
      StackMap locals:
      StackMap stack: int
         4: ldc "Cannot call upperCase() on a mixed-case alphabet"
            invokestatic com.google.common.base.Preconditions.checkState:(ZLjava/lang/Object;)V
         5: .line 521
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            arraylength
            newarray 5
            astore 1 /* upperCased */
        start local 1 // char[] upperCased
         6: .line 522
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         7: goto 10
         8: .line 523
      StackMap locals: char[] int
      StackMap stack:
            aload 1 /* upperCased */
            iload 2 /* i */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            iload 2 /* i */
            caload
            invokestatic com.google.common.base.Ascii.toUpperCase:(C)C
            castore
         9: .line 522
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
        10: iload 2 /* i */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            arraylength
            if_icmplt 8
        end local 2 // int i
        11: .line 525
            new com.google.common.io.BaseEncoding$Alphabet
            dup
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.name:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".upperCase()"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 1 /* upperCased */
            invokespecial com.google.common.io.BaseEncoding$Alphabet.<init>:(Ljava/lang/String;[C)V
            areturn
        end local 1 // char[] upperCased
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   12     0        this  Lcom/google/common/io/BaseEncoding$Alphabet;
            6   12     1  upperCased  [C
            7   11     2           i  I

  com.google.common.io.BaseEncoding$Alphabet lowerCase();
    descriptor: ()Lcom/google/common/io/BaseEncoding$Alphabet;
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
         0: .line 530
            aload 0 /* this */
            invokevirtual com.google.common.io.BaseEncoding$Alphabet.hasUpperCase:()Z
            ifne 2
         1: .line 531
            aload 0 /* this */
            areturn
         2: .line 533
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual com.google.common.io.BaseEncoding$Alphabet.hasLowerCase:()Z
            ifeq 3
            iconst_0
            goto 4
      StackMap locals:
      StackMap stack:
         3: iconst_1
      StackMap locals:
      StackMap stack: int
         4: ldc "Cannot call lowerCase() on a mixed-case alphabet"
            invokestatic com.google.common.base.Preconditions.checkState:(ZLjava/lang/Object;)V
         5: .line 534
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            arraylength
            newarray 5
            astore 1 /* lowerCased */
        start local 1 // char[] lowerCased
         6: .line 535
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         7: goto 10
         8: .line 536
      StackMap locals: char[] int
      StackMap stack:
            aload 1 /* lowerCased */
            iload 2 /* i */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            iload 2 /* i */
            caload
            invokestatic com.google.common.base.Ascii.toLowerCase:(C)C
            castore
         9: .line 535
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
        10: iload 2 /* i */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            arraylength
            if_icmplt 8
        end local 2 // int i
        11: .line 538
            new com.google.common.io.BaseEncoding$Alphabet
            dup
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.name:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".lowerCase()"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 1 /* lowerCased */
            invokespecial com.google.common.io.BaseEncoding$Alphabet.<init>:(Ljava/lang/String;[C)V
            areturn
        end local 1 // char[] lowerCased
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   12     0        this  Lcom/google/common/io/BaseEncoding$Alphabet;
            6   12     1  lowerCased  [C
            7   11     2           i  I

  public boolean matches(char);
    descriptor: (C)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
        start local 1 // char c
         0: .line 543
            iload 1 /* c */
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.decodabet:[B
            arraylength
            if_icmpge 1
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.decodabet:[B
            iload 1 /* c */
            baload
            iconst_m1
            if_icmpeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // char c
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/io/BaseEncoding$Alphabet;
            0    2     1     c  C
    MethodParameters:
      Name  Flags
      c     

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
         0: .line 548
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.name:Ljava/lang/String;
            areturn
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/io/BaseEncoding$Alphabet;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
        start local 1 // java.lang.Object other
         0: .line 553
            aload 1 /* other */
            instanceof com.google.common.io.BaseEncoding$Alphabet
            ifeq 3
         1: .line 554
            aload 1 /* other */
            checkcast com.google.common.io.BaseEncoding$Alphabet
            astore 2 /* that */
        start local 2 // com.google.common.io.BaseEncoding$Alphabet that
         2: .line 555
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            aload 2 /* that */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            invokestatic java.util.Arrays.equals:([C[C)Z
            ireturn
        end local 2 // com.google.common.io.BaseEncoding$Alphabet that
         3: .line 557
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 1 // java.lang.Object other
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lcom/google/common/io/BaseEncoding$Alphabet;
            0    4     1  other  Ljava/lang/Object;
            2    3     2   that  Lcom/google/common/io/BaseEncoding$Alphabet;
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
       Name  Flags
      other  

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.io.BaseEncoding$Alphabet this
         0: .line 562
            aload 0 /* this */
            getfield com.google.common.io.BaseEncoding$Alphabet.chars:[C
            invokestatic java.util.Arrays.hashCode:([C)I
            ireturn
        end local 0 // com.google.common.io.BaseEncoding$Alphabet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/io/BaseEncoding$Alphabet;
}
SourceFile: "BaseEncoding.java"
NestHost: com.google.common.io.BaseEncoding
InnerClasses:
  private final Alphabet = com.google.common.io.BaseEncoding$Alphabet of com.google.common.io.BaseEncoding
  public final DecodingException = com.google.common.io.BaseEncoding$DecodingException of com.google.common.io.BaseEncoding