https://www.graalvm.org/ 
public interface com.oracle.svm.core.genscavenge.CardTable$Visitor
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.svm.core.genscavenge.CardTable$Visitor
  super_class: java.lang.Object
{
  public abstract boolean visitEntry(org.graalvm.word.Pointer, org.graalvm.word.UnsignedWord, int);
    descriptor: (Lorg/graalvm/word/Pointer;Lorg/graalvm/word/UnsignedWord;I)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
       Name  Flags
      table  
      index  
      entry  
}
SourceFile: "CardTable.java"
NestHost: com.oracle.svm.core.genscavenge.CardTable
InnerClasses:
  public abstract Visitor = com.oracle.svm.core.genscavenge.CardTable$Visitor of com.oracle.svm.core.genscavenge.CardTable