https://github.com/cglib/cglib/cglib: cglib is a powerful, high performance and quality Code Generation Library, It is used to extend JAVA classes and implements interfaces at runtime. 
public abstract class net.sf.cglib.core.KeyFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: net.sf.cglib.core.KeyFactory
  super_class: java.lang.Object
{
  private static final net.sf.cglib.core.Signature GET_NAME;
    descriptor: Lnet/sf/cglib/core/Signature;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final net.sf.cglib.core.Signature GET_CLASS;
    descriptor: Lnet/sf/cglib/core/Signature;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final net.sf.cglib.core.Signature HASH_CODE;
    descriptor: Lnet/sf/cglib/core/Signature;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final net.sf.cglib.core.Signature EQUALS;
    descriptor: Lnet/sf/cglib/core/Signature;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final net.sf.cglib.core.Signature TO_STRING;
    descriptor: Lnet/sf/cglib/core/Signature;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final net.sf.cglib.core.Signature APPEND_STRING;
    descriptor: Lnet/sf/cglib/core/Signature;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.objectweb.asm.Type KEY_FACTORY;
    descriptor: Lorg/objectweb/asm/Type;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final net.sf.cglib.core.Signature GET_SORT;
    descriptor: Lnet/sf/cglib/core/Signature;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int[] PRIMES;
    descriptor: [I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  public static final net.sf.cglib.core.Customizer CLASS_BY_NAME;
    descriptor: Lnet/sf/cglib/core/Customizer;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final net.sf.cglib.core.FieldTypeCustomizer STORE_CLASS_AS_STRING;
    descriptor: Lnet/sf/cglib/core/FieldTypeCustomizer;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final net.sf.cglib.core.HashCodeCustomizer HASH_ASM_TYPE;
    descriptor: Lnet/sf/cglib/core/HashCodeCustomizer;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final net.sf.cglib.core.Customizer OBJECT_BY_CLASS;
    descriptor: Lnet/sf/cglib/core/Customizer;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 60
            ldc "String getName()"
            invokestatic net.sf.cglib.core.TypeUtils.parseSignature:(Ljava/lang/String;)Lnet/sf/cglib/core/Signature;
         1: .line 59
            putstatic net.sf.cglib.core.KeyFactory.GET_NAME:Lnet/sf/cglib/core/Signature;
         2: .line 62
            ldc "Class getClass()"
            invokestatic net.sf.cglib.core.TypeUtils.parseSignature:(Ljava/lang/String;)Lnet/sf/cglib/core/Signature;
         3: .line 61
            putstatic net.sf.cglib.core.KeyFactory.GET_CLASS:Lnet/sf/cglib/core/Signature;
         4: .line 64
            ldc "int hashCode()"
            invokestatic net.sf.cglib.core.TypeUtils.parseSignature:(Ljava/lang/String;)Lnet/sf/cglib/core/Signature;
         5: .line 63
            putstatic net.sf.cglib.core.KeyFactory.HASH_CODE:Lnet/sf/cglib/core/Signature;
         6: .line 66
            ldc "boolean equals(Object)"
            invokestatic net.sf.cglib.core.TypeUtils.parseSignature:(Ljava/lang/String;)Lnet/sf/cglib/core/Signature;
         7: .line 65
            putstatic net.sf.cglib.core.KeyFactory.EQUALS:Lnet/sf/cglib/core/Signature;
         8: .line 68
            ldc "String toString()"
            invokestatic net.sf.cglib.core.TypeUtils.parseSignature:(Ljava/lang/String;)Lnet/sf/cglib/core/Signature;
         9: .line 67
            putstatic net.sf.cglib.core.KeyFactory.TO_STRING:Lnet/sf/cglib/core/Signature;
        10: .line 70
            ldc "StringBuffer append(String)"
            invokestatic net.sf.cglib.core.TypeUtils.parseSignature:(Ljava/lang/String;)Lnet/sf/cglib/core/Signature;
        11: .line 69
            putstatic net.sf.cglib.core.KeyFactory.APPEND_STRING:Lnet/sf/cglib/core/Signature;
        12: .line 72
            ldc "net.sf.cglib.core.KeyFactory"
            invokestatic net.sf.cglib.core.TypeUtils.parseType:(Ljava/lang/String;)Lorg/objectweb/asm/Type;
        13: .line 71
            putstatic net.sf.cglib.core.KeyFactory.KEY_FACTORY:Lorg/objectweb/asm/Type;
        14: .line 74
            ldc "int getSort()"
            invokestatic net.sf.cglib.core.TypeUtils.parseSignature:(Ljava/lang/String;)Lnet/sf/cglib/core/Signature;
        15: .line 73
            putstatic net.sf.cglib.core.KeyFactory.GET_SORT:Lnet/sf/cglib/core/Signature;
        16: .line 77
            bipush 51
            newarray 10
            dup
            iconst_0
        17: .line 78
            bipush 11
            iastore
            dup
            iconst_1
            bipush 73
            iastore
            dup
            iconst_2
            sipush 179
            iastore
            dup
            iconst_3
            sipush 331
            iastore
            dup
            iconst_4
        18: .line 79
            sipush 521
            iastore
            dup
            iconst_5
            sipush 787
            iastore
            dup
            bipush 6
            sipush 1213
            iastore
            dup
            bipush 7
            sipush 1823
            iastore
            dup
            bipush 8
        19: .line 80
            sipush 2609
            iastore
            dup
            bipush 9
            sipush 3691
            iastore
            dup
            bipush 10
            sipush 5189
            iastore
            dup
            bipush 11
            sipush 7247
            iastore
            dup
            bipush 12
        20: .line 81
            sipush 10037
            iastore
            dup
            bipush 13
            sipush 13931
            iastore
            dup
            bipush 14
            sipush 19289
            iastore
            dup
            bipush 15
            sipush 26627
            iastore
            dup
            bipush 16
        21: .line 82
            ldc 36683
            iastore
            dup
            bipush 17
            ldc 50441
            iastore
            dup
            bipush 18
            ldc 69403
            iastore
            dup
            bipush 19
            ldc 95401
            iastore
            dup
            bipush 20
        22: .line 83
            ldc 131129
            iastore
            dup
            bipush 21
            ldc 180179
            iastore
            dup
            bipush 22
            ldc 247501
            iastore
            dup
            bipush 23
            ldc 340057
            iastore
            dup
            bipush 24
        23: .line 84
            ldc 467063
            iastore
            dup
            bipush 25
            ldc 641371
            iastore
            dup
            bipush 26
            ldc 880603
            iastore
            dup
            bipush 27
            ldc 1209107
            iastore
            dup
            bipush 28
        24: .line 85
            ldc 1660097
            iastore
            dup
            bipush 29
            ldc 2279161
            iastore
            dup
            bipush 30
            ldc 3129011
            iastore
            dup
            bipush 31
            ldc 4295723
            iastore
            dup
            bipush 32
        25: .line 86
            ldc 5897291
            iastore
            dup
            bipush 33
            ldc 8095873
            iastore
            dup
            bipush 34
            ldc 11114263
            iastore
            dup
            bipush 35
            ldc 15257791
            iastore
            dup
            bipush 36
        26: .line 87
            ldc 20946017
            iastore
            dup
            bipush 37
            ldc 28754629
            iastore
            dup
            bipush 38
            ldc 39474179
            iastore
            dup
            bipush 39
            ldc 54189869
            iastore
            dup
            bipush 40
        27: .line 88
            ldc 74391461
            iastore
            dup
            bipush 41
            ldc 102123817
            iastore
            dup
            bipush 42
            ldc 140194277
            iastore
            dup
            bipush 43
            ldc 192456917
            iastore
            dup
            bipush 44
        28: .line 89
            ldc 264202273
            iastore
            dup
            bipush 45
            ldc 362693231
            iastore
            dup
            bipush 46
            ldc 497900099
            iastore
            dup
            bipush 47
            ldc 683510293
            iastore
            dup
            bipush 48
        29: .line 90
            ldc 938313161
            iastore
            dup
            bipush 49
            ldc 1288102441
            iastore
            dup
            bipush 50
            ldc 1768288259
            iastore
        30: .line 77
            putstatic net.sf.cglib.core.KeyFactory.PRIMES:[I
        31: .line 93
            new net.sf.cglib.core.KeyFactory$1
            dup
            invokespecial net.sf.cglib.core.KeyFactory$1.<init>:()V
            putstatic net.sf.cglib.core.KeyFactory.CLASS_BY_NAME:Lnet/sf/cglib/core/Customizer;
        32: .line 101
            new net.sf.cglib.core.KeyFactory$2
            dup
            invokespecial net.sf.cglib.core.KeyFactory$2.<init>:()V
            putstatic net.sf.cglib.core.KeyFactory.STORE_CLASS_AS_STRING:Lnet/sf/cglib/core/FieldTypeCustomizer;
        33: .line 120
            new net.sf.cglib.core.KeyFactory$3
            dup
            invokespecial net.sf.cglib.core.KeyFactory$3.<init>:()V
            putstatic net.sf.cglib.core.KeyFactory.HASH_ASM_TYPE:Lnet/sf/cglib/core/HashCodeCustomizer;
        34: .line 135
            new net.sf.cglib.core.KeyFactory$4
            dup
            invokespecial net.sf.cglib.core.KeyFactory$4.<init>:()V
            putstatic net.sf.cglib.core.KeyFactory.OBJECT_BY_CLASS:Lnet/sf/cglib/core/Customizer;
        35: .line 139
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.sf.cglib.core.KeyFactory this
         0: .line 141
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 142
            return
        end local 0 // net.sf.cglib.core.KeyFactory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lnet/sf/cglib/core/KeyFactory;

  public static net.sf.cglib.core.KeyFactory create(java.lang.Class);
    descriptor: (Ljava/lang/Class;)Lnet/sf/cglib/core/KeyFactory;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.Class keyInterface
         0: .line 145
            aload 0 /* keyInterface */
            aconst_null
            invokestatic net.sf.cglib.core.KeyFactory.create:(Ljava/lang/Class;Lnet/sf/cglib/core/Customizer;)Lnet/sf/cglib/core/KeyFactory;
            areturn
        end local 0 // java.lang.Class keyInterface
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0  keyInterface  Ljava/lang/Class;
    MethodParameters:
              Name  Flags
      keyInterface  

  public static net.sf.cglib.core.KeyFactory create(java.lang.Class, net.sf.cglib.core.Customizer);
    descriptor: (Ljava/lang/Class;Lnet/sf/cglib/core/Customizer;)Lnet/sf/cglib/core/KeyFactory;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.lang.Class keyInterface
        start local 1 // net.sf.cglib.core.Customizer customizer
         0: .line 149
            aload 0 /* keyInterface */
            invokevirtual java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader;
            aload 0 /* keyInterface */
            aload 1 /* customizer */
            invokestatic net.sf.cglib.core.KeyFactory.create:(Ljava/lang/ClassLoader;Ljava/lang/Class;Lnet/sf/cglib/core/Customizer;)Lnet/sf/cglib/core/KeyFactory;
            areturn
        end local 1 // net.sf.cglib.core.Customizer customizer
        end local 0 // java.lang.Class keyInterface
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0  keyInterface  Ljava/lang/Class;
            0    1     1    customizer  Lnet/sf/cglib/core/Customizer;
    MethodParameters:
              Name  Flags
      keyInterface  
      customizer    

  public static net.sf.cglib.core.KeyFactory create(java.lang.Class, net.sf.cglib.core.KeyFactoryCustomizer, java.util.List<net.sf.cglib.core.KeyFactoryCustomizer>);
    descriptor: (Ljava/lang/Class;Lnet/sf/cglib/core/KeyFactoryCustomizer;Ljava/util/List;)Lnet/sf/cglib/core/KeyFactory;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // java.lang.Class keyInterface
        start local 1 // net.sf.cglib.core.KeyFactoryCustomizer first
        start local 2 // java.util.List next
         0: .line 153
            aload 0 /* keyInterface */
            invokevirtual java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader;
            aload 0 /* keyInterface */
            aload 1 /* first */
            aload 2 /* next */
            invokestatic net.sf.cglib.core.KeyFactory.create:(Ljava/lang/ClassLoader;Ljava/lang/Class;Lnet/sf/cglib/core/KeyFactoryCustomizer;Ljava/util/List;)Lnet/sf/cglib/core/KeyFactory;
            areturn
        end local 2 // java.util.List next
        end local 1 // net.sf.cglib.core.KeyFactoryCustomizer first
        end local 0 // java.lang.Class keyInterface
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0  keyInterface  Ljava/lang/Class;
            0    1     1         first  Lnet/sf/cglib/core/KeyFactoryCustomizer;
            0    1     2          next  Ljava/util/List<Lnet/sf/cglib/core/KeyFactoryCustomizer;>;
    Signature: (Ljava/lang/Class;Lnet/sf/cglib/core/KeyFactoryCustomizer;Ljava/util/List<Lnet/sf/cglib/core/KeyFactoryCustomizer;>;)Lnet/sf/cglib/core/KeyFactory;
    MethodParameters:
              Name  Flags
      keyInterface  
      first         
      next          

  public static net.sf.cglib.core.KeyFactory create(java.lang.ClassLoader, java.lang.Class, net.sf.cglib.core.Customizer);
    descriptor: (Ljava/lang/ClassLoader;Ljava/lang/Class;Lnet/sf/cglib/core/Customizer;)Lnet/sf/cglib/core/KeyFactory;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // java.lang.ClassLoader loader
        start local 1 // java.lang.Class keyInterface
        start local 2 // net.sf.cglib.core.Customizer customizer
         0: .line 157
            aload 0 /* loader */
            aload 1 /* keyInterface */
            aload 2 /* customizer */
            invokestatic java.util.Collections.emptyList:()Ljava/util/List;
            invokestatic net.sf.cglib.core.KeyFactory.create:(Ljava/lang/ClassLoader;Ljava/lang/Class;Lnet/sf/cglib/core/KeyFactoryCustomizer;Ljava/util/List;)Lnet/sf/cglib/core/KeyFactory;
            areturn
        end local 2 // net.sf.cglib.core.Customizer customizer
        end local 1 // java.lang.Class keyInterface
        end local 0 // java.lang.ClassLoader loader
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0        loader  Ljava/lang/ClassLoader;
            0    1     1  keyInterface  Ljava/lang/Class;
            0    1     2    customizer  Lnet/sf/cglib/core/Customizer;
    MethodParameters:
              Name  Flags
      loader        
      keyInterface  
      customizer    

  public static net.sf.cglib.core.KeyFactory create(java.lang.ClassLoader, java.lang.Class, net.sf.cglib.core.KeyFactoryCustomizer, java.util.List<net.sf.cglib.core.KeyFactoryCustomizer>);
    descriptor: (Ljava/lang/ClassLoader;Ljava/lang/Class;Lnet/sf/cglib/core/KeyFactoryCustomizer;Ljava/util/List;)Lnet/sf/cglib/core/KeyFactory;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=7, args_size=4
        start local 0 // java.lang.ClassLoader loader
        start local 1 // java.lang.Class keyInterface
        start local 2 // net.sf.cglib.core.KeyFactoryCustomizer customizer
        start local 3 // java.util.List next
         0: .line 162
            new net.sf.cglib.core.KeyFactory$Generator
            dup
            invokespecial net.sf.cglib.core.KeyFactory$Generator.<init>:()V
            astore 4 /* gen */
        start local 4 // net.sf.cglib.core.KeyFactory$Generator gen
         1: .line 163
            aload 4 /* gen */
            aload 1 /* keyInterface */
            invokevirtual net.sf.cglib.core.KeyFactory$Generator.setInterface:(Ljava/lang/Class;)V
         2: .line 165
            aload 2 /* customizer */
            ifnull 4
         3: .line 166
            aload 4 /* gen */
            aload 2 /* customizer */
            invokevirtual net.sf.cglib.core.KeyFactory$Generator.addCustomizer:(Lnet/sf/cglib/core/KeyFactoryCustomizer;)V
         4: .line 168
      StackMap locals: net.sf.cglib.core.KeyFactory$Generator
      StackMap stack:
            aload 3 /* next */
            ifnull 9
            aload 3 /* next */
            invokeinterface java.util.List.isEmpty:()Z
            ifne 9
         5: .line 169
            aload 3 /* next */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 6
            goto 8
      StackMap locals: java.lang.ClassLoader java.lang.Class net.sf.cglib.core.KeyFactoryCustomizer java.util.List net.sf.cglib.core.KeyFactory$Generator top java.util.Iterator
      StackMap stack:
         6: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast net.sf.cglib.core.KeyFactoryCustomizer
            astore 5 /* keyFactoryCustomizer */
        start local 5 // net.sf.cglib.core.KeyFactoryCustomizer keyFactoryCustomizer
         7: .line 170
            aload 4 /* gen */
            aload 5 /* keyFactoryCustomizer */
            invokevirtual net.sf.cglib.core.KeyFactory$Generator.addCustomizer:(Lnet/sf/cglib/core/KeyFactoryCustomizer;)V
        end local 5 // net.sf.cglib.core.KeyFactoryCustomizer keyFactoryCustomizer
         8: .line 169
      StackMap locals:
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 6
         9: .line 173
      StackMap locals: java.lang.ClassLoader java.lang.Class net.sf.cglib.core.KeyFactoryCustomizer java.util.List net.sf.cglib.core.KeyFactory$Generator
      StackMap stack:
            aload 4 /* gen */
            aload 0 /* loader */
            invokevirtual net.sf.cglib.core.KeyFactory$Generator.setClassLoader:(Ljava/lang/ClassLoader;)V
        10: .line 174
            aload 4 /* gen */
            invokevirtual net.sf.cglib.core.KeyFactory$Generator.create:()Lnet/sf/cglib/core/KeyFactory;
            areturn
        end local 4 // net.sf.cglib.core.KeyFactory$Generator gen
        end local 3 // java.util.List next
        end local 2 // net.sf.cglib.core.KeyFactoryCustomizer customizer
        end local 1 // java.lang.Class keyInterface
        end local 0 // java.lang.ClassLoader loader
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0   11     0                loader  Ljava/lang/ClassLoader;
            0   11     1          keyInterface  Ljava/lang/Class;
            0   11     2            customizer  Lnet/sf/cglib/core/KeyFactoryCustomizer;
            0   11     3                  next  Ljava/util/List<Lnet/sf/cglib/core/KeyFactoryCustomizer;>;
            1   11     4                   gen  Lnet/sf/cglib/core/KeyFactory$Generator;
            7    8     5  keyFactoryCustomizer  Lnet/sf/cglib/core/KeyFactoryCustomizer;
    Signature: (Ljava/lang/ClassLoader;Ljava/lang/Class;Lnet/sf/cglib/core/KeyFactoryCustomizer;Ljava/util/List<Lnet/sf/cglib/core/KeyFactoryCustomizer;>;)Lnet/sf/cglib/core/KeyFactory;
    MethodParameters:
              Name  Flags
      loader        
      keyInterface  
      customizer    
      next          
}
SourceFile: "KeyFactory.java"
NestMembers:
  net.sf.cglib.core.KeyFactory$1  net.sf.cglib.core.KeyFactory$2  net.sf.cglib.core.KeyFactory$3  net.sf.cglib.core.KeyFactory$4  net.sf.cglib.core.KeyFactory$Generator
InnerClasses:
  net.sf.cglib.core.KeyFactory$1
  net.sf.cglib.core.KeyFactory$2
  net.sf.cglib.core.KeyFactory$3
  net.sf.cglib.core.KeyFactory$4
  public Generator = net.sf.cglib.core.KeyFactory$Generator of net.sf.cglib.core.KeyFactory