public abstract class com.sun.tools.javac.code.Types$TypeRelation extends com.sun.tools.javac.code.Types$SimpleVisitor<java.lang.Boolean, com.sun.tools.javac.code.Type>
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.sun.tools.javac.code.Types$TypeRelation
  super_class: com.sun.tools.javac.code.Types$SimpleVisitor
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.sun.tools.javac.code.Types$TypeRelation this
         0: .line 4922
            aload 0 /* this */
            invokespecial com.sun.tools.javac.code.Types$SimpleVisitor.<init>:()V
            return
        end local 0 // com.sun.tools.javac.code.Types$TypeRelation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/sun/tools/javac/code/Types$TypeRelation;
}
Signature: Lcom/sun/tools/javac/code/Types$SimpleVisitor<Ljava/lang/Boolean;Lcom/sun/tools/javac/code/Type;>;
SourceFile: "Types.java"
NestHost: com.sun.tools.javac.code.Types
InnerClasses:
  public abstract SimpleVisitor = com.sun.tools.javac.code.Types$SimpleVisitor of com.sun.tools.javac.code.Types
  public abstract TypeRelation = com.sun.tools.javac.code.Types$TypeRelation of com.sun.tools.javac.code.Types