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 class net.sf.cglib.beans.BulkBean$Generator extends net.sf.cglib.core.AbstractClassGenerator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: net.sf.cglib.beans.BulkBean$Generator
  super_class: net.sf.cglib.core.AbstractClassGenerator
{
  private static final net.sf.cglib.core.AbstractClassGenerator$Source SOURCE;
    descriptor: Lnet/sf/cglib/core/AbstractClassGenerator$Source;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private java.lang.Class target;
    descriptor: Ljava/lang/Class;
    flags: (0x0002) ACC_PRIVATE

  private java.lang.String[] getters;
    descriptor: [Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  private java.lang.String[] setters;
    descriptor: [Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  private java.lang.Class[] types;
    descriptor: [Ljava/lang/Class;
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 75
            new net.sf.cglib.core.AbstractClassGenerator$Source
            dup
            ldc Lnet/sf/cglib/beans/BulkBean;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokespecial net.sf.cglib.core.AbstractClassGenerator$Source.<init>:(Ljava/lang/String;)V
            putstatic net.sf.cglib.beans.BulkBean$Generator.SOURCE:Lnet/sf/cglib/core/AbstractClassGenerator$Source;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
         0: .line 82
            aload 0 /* this */
            getstatic net.sf.cglib.beans.BulkBean$Generator.SOURCE:Lnet/sf/cglib/core/AbstractClassGenerator$Source;
            invokespecial net.sf.cglib.core.AbstractClassGenerator.<init>:(Lnet/sf/cglib/core/AbstractClassGenerator$Source;)V
         1: .line 83
            return
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lnet/sf/cglib/beans/BulkBean$Generator;

  public void setTarget(java.lang.Class);
    descriptor: (Ljava/lang/Class;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
        start local 1 // java.lang.Class target
         0: .line 86
            aload 0 /* this */
            aload 1 /* target */
            putfield net.sf.cglib.beans.BulkBean$Generator.target:Ljava/lang/Class;
         1: .line 87
            return
        end local 1 // java.lang.Class target
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lnet/sf/cglib/beans/BulkBean$Generator;
            0    2     1  target  Ljava/lang/Class;
    MethodParameters:
        Name  Flags
      target  

  public void setGetters(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
        start local 1 // java.lang.String[] getters
         0: .line 90
            aload 0 /* this */
            aload 1 /* getters */
            putfield net.sf.cglib.beans.BulkBean$Generator.getters:[Ljava/lang/String;
         1: .line 91
            return
        end local 1 // java.lang.String[] getters
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lnet/sf/cglib/beans/BulkBean$Generator;
            0    2     1  getters  [Ljava/lang/String;
    MethodParameters:
         Name  Flags
      getters  

  public void setSetters(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
        start local 1 // java.lang.String[] setters
         0: .line 94
            aload 0 /* this */
            aload 1 /* setters */
            putfield net.sf.cglib.beans.BulkBean$Generator.setters:[Ljava/lang/String;
         1: .line 95
            return
        end local 1 // java.lang.String[] setters
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lnet/sf/cglib/beans/BulkBean$Generator;
            0    2     1  setters  [Ljava/lang/String;
    MethodParameters:
         Name  Flags
      setters  

  public void setTypes(java.lang.Class[]);
    descriptor: ([Ljava/lang/Class;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
        start local 1 // java.lang.Class[] types
         0: .line 98
            aload 0 /* this */
            aload 1 /* types */
            putfield net.sf.cglib.beans.BulkBean$Generator.types:[Ljava/lang/Class;
         1: .line 99
            return
        end local 1 // java.lang.Class[] types
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lnet/sf/cglib/beans/BulkBean$Generator;
            0    2     1  types  [Ljava/lang/Class;
    MethodParameters:
       Name  Flags
      types  

  protected java.lang.ClassLoader getDefaultClassLoader();
    descriptor: ()Ljava/lang/ClassLoader;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
         0: .line 102
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.target:Ljava/lang/Class;
            invokevirtual java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader;
            areturn
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/sf/cglib/beans/BulkBean$Generator;

  protected java.security.ProtectionDomain getProtectionDomain();
    descriptor: ()Ljava/security/ProtectionDomain;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
         0: .line 106
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.target:Ljava/lang/Class;
            invokestatic net.sf.cglib.core.ReflectUtils.getProtectionDomain:(Ljava/lang/Class;)Ljava/security/ProtectionDomain;
            areturn
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/sf/cglib/beans/BulkBean$Generator;

  public net.sf.cglib.beans.BulkBean create();
    descriptor: ()Lnet/sf/cglib/beans/BulkBean;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
         0: .line 110
            aload 0 /* this */
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.target:Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual net.sf.cglib.beans.BulkBean$Generator.setNamePrefix:(Ljava/lang/String;)V
         1: .line 111
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.target:Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            astore 1 /* targetClassName */
        start local 1 // java.lang.String targetClassName
         2: .line 112
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.types:[Ljava/lang/Class;
            invokestatic net.sf.cglib.core.ReflectUtils.getNames:([Ljava/lang/Class;)[Ljava/lang/String;
            astore 2 /* typeClassNames */
        start local 2 // java.lang.String[] typeClassNames
         3: .line 113
            getstatic net.sf.cglib.beans.BulkBean.KEY_FACTORY:Lnet/sf/cglib/beans/BulkBean$BulkBeanKey;
            aload 1 /* targetClassName */
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.getters:[Ljava/lang/String;
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.setters:[Ljava/lang/String;
            aload 2 /* typeClassNames */
            invokeinterface net.sf.cglib.beans.BulkBean$BulkBeanKey.newInstance:(Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Object;
            astore 3 /* key */
        start local 3 // java.lang.Object key
         4: .line 114
            aload 0 /* this */
            aload 3 /* key */
            invokespecial net.sf.cglib.core.AbstractClassGenerator.create:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast net.sf.cglib.beans.BulkBean
            areturn
        end local 3 // java.lang.Object key
        end local 2 // java.lang.String[] typeClassNames
        end local 1 // java.lang.String targetClassName
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    5     0             this  Lnet/sf/cglib/beans/BulkBean$Generator;
            2    5     1  targetClassName  Ljava/lang/String;
            3    5     2   typeClassNames  [Ljava/lang/String;
            4    5     3              key  Ljava/lang/Object;

  public void generateClass(org.objectweb.asm.ClassVisitor);
    descriptor: (Lorg/objectweb/asm/ClassVisitor;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=2, args_size=2
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
        start local 1 // org.objectweb.asm.ClassVisitor v
         0: .line 118
            new net.sf.cglib.beans.BulkBeanEmitter
            aload 1 /* v */
            aload 0 /* this */
            invokevirtual net.sf.cglib.beans.BulkBean$Generator.getClassName:()Ljava/lang/String;
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.target:Ljava/lang/Class;
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.getters:[Ljava/lang/String;
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.setters:[Ljava/lang/String;
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.types:[Ljava/lang/Class;
            invokespecial net.sf.cglib.beans.BulkBeanEmitter.<init>:(Lorg/objectweb/asm/ClassVisitor;Ljava/lang/String;Ljava/lang/Class;[Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/Class;)V
         1: .line 119
            return
        end local 1 // org.objectweb.asm.ClassVisitor v
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lnet/sf/cglib/beans/BulkBean$Generator;
            0    2     1     v  Lorg/objectweb/asm/ClassVisitor;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      v     

  protected java.lang.Object firstInstance(java.lang.Class);
    descriptor: (Ljava/lang/Class;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
        start local 1 // java.lang.Class type
         0: .line 122
            aload 1 /* type */
            invokestatic net.sf.cglib.core.ReflectUtils.newInstance:(Ljava/lang/Class;)Ljava/lang/Object;
            checkcast net.sf.cglib.beans.BulkBean
            astore 2 /* instance */
        start local 2 // net.sf.cglib.beans.BulkBean instance
         1: .line 123
            aload 2 /* instance */
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.target:Ljava/lang/Class;
            putfield net.sf.cglib.beans.BulkBean.target:Ljava/lang/Class;
         2: .line 125
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.getters:[Ljava/lang/String;
            arraylength
            istore 3 /* length */
        start local 3 // int length
         3: .line 126
            aload 2 /* instance */
            iload 3 /* length */
            anewarray java.lang.String
            putfield net.sf.cglib.beans.BulkBean.getters:[Ljava/lang/String;
         4: .line 127
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.getters:[Ljava/lang/String;
            iconst_0
            aload 2 /* instance */
            getfield net.sf.cglib.beans.BulkBean.getters:[Ljava/lang/String;
            iconst_0
            iload 3 /* length */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 129
            aload 2 /* instance */
            iload 3 /* length */
            anewarray java.lang.String
            putfield net.sf.cglib.beans.BulkBean.setters:[Ljava/lang/String;
         6: .line 130
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.setters:[Ljava/lang/String;
            iconst_0
            aload 2 /* instance */
            getfield net.sf.cglib.beans.BulkBean.setters:[Ljava/lang/String;
            iconst_0
            iload 3 /* length */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         7: .line 132
            aload 2 /* instance */
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.types:[Ljava/lang/Class;
            arraylength
            anewarray java.lang.Class
            putfield net.sf.cglib.beans.BulkBean.types:[Ljava/lang/Class;
         8: .line 133
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.types:[Ljava/lang/Class;
            iconst_0
            aload 2 /* instance */
            getfield net.sf.cglib.beans.BulkBean.types:[Ljava/lang/Class;
            iconst_0
            aload 0 /* this */
            getfield net.sf.cglib.beans.BulkBean$Generator.types:[Ljava/lang/Class;
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         9: .line 135
            aload 2 /* instance */
            areturn
        end local 3 // int length
        end local 2 // net.sf.cglib.beans.BulkBean instance
        end local 1 // java.lang.Class type
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   10     0      this  Lnet/sf/cglib/beans/BulkBean$Generator;
            0   10     1      type  Ljava/lang/Class;
            1   10     2  instance  Lnet/sf/cglib/beans/BulkBean;
            3   10     3    length  I
    MethodParameters:
      Name  Flags
      type  

  protected java.lang.Object nextInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // net.sf.cglib.beans.BulkBean$Generator this
        start local 1 // java.lang.Object instance
         0: .line 139
            aload 1 /* instance */
            areturn
        end local 1 // java.lang.Object instance
        end local 0 // net.sf.cglib.beans.BulkBean$Generator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Lnet/sf/cglib/beans/BulkBean$Generator;
            0    1     1  instance  Ljava/lang/Object;
    MethodParameters:
          Name  Flags
      instance  
}
SourceFile: "BulkBean.java"
NestHost: net.sf.cglib.beans.BulkBean
InnerClasses:
  abstract BulkBeanKey = net.sf.cglib.beans.BulkBean$BulkBeanKey of net.sf.cglib.beans.BulkBean
  public Generator = net.sf.cglib.beans.BulkBean$Generator of net.sf.cglib.beans.BulkBean
  protected Source = net.sf.cglib.core.AbstractClassGenerator$Source of net.sf.cglib.core.AbstractClassGenerator