https://www.graalvm.org/ 
public interface com.oracle.svm.core.MemoryWalker$Visitor extends com.oracle.svm.core.MemoryWalker$ImageHeapRegionVisitor
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.svm.core.MemoryWalker$Visitor
  super_class: java.lang.Object
{
  public abstract <T extends org.graalvm.word.PointerBase> boolean visitHeapChunk(T, com.oracle.svm.core.MemoryWalker$HeapChunkAccess<T>);
    descriptor: (Lorg/graalvm/word/PointerBase;Lcom/oracle/svm/core/MemoryWalker$HeapChunkAccess;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <T::Lorg/graalvm/word/PointerBase;>(TT;Lcom/oracle/svm/core/MemoryWalker$HeapChunkAccess<TT;>;)Z
    RuntimeVisibleAnnotations: 
      com.oracle.svm.core.annotate.RestrictHeapAccess(access = com.oracle.svm.core.annotate.RestrictHeapAccess$Access.NO_ALLOCATION:Lcom/oracle/svm/core/annotate/RestrictHeapAccess$Access;, reason = "Must not allocate while visiting memory.")
    MethodParameters:
           Name  Flags
      heapChunk  
      access     

  public abstract <T extends com.oracle.svm.core.code.CodeInfo> boolean visitCode(T, com.oracle.svm.core.MemoryWalker$CodeAccess<T>);
    descriptor: (Lcom/oracle/svm/core/code/CodeInfo;Lcom/oracle/svm/core/MemoryWalker$CodeAccess;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <T::Lcom/oracle/svm/core/code/CodeInfo;>(TT;Lcom/oracle/svm/core/MemoryWalker$CodeAccess<TT;>;)Z
    RuntimeVisibleAnnotations: 
      com.oracle.svm.core.annotate.RestrictHeapAccess(access = com.oracle.svm.core.annotate.RestrictHeapAccess$Access.NO_ALLOCATION:Lcom/oracle/svm/core/annotate/RestrictHeapAccess$Access;, reason = "Must not allocate while visiting memory.")
    MethodParameters:
          Name  Flags
      codeInfo  
      access    
}
SourceFile: "MemoryWalker.java"
NestHost: com.oracle.svm.core.MemoryWalker
InnerClasses:
  public abstract CodeAccess = com.oracle.svm.core.MemoryWalker$CodeAccess of com.oracle.svm.core.MemoryWalker
  public abstract HeapChunkAccess = com.oracle.svm.core.MemoryWalker$HeapChunkAccess of com.oracle.svm.core.MemoryWalker
  public abstract ImageHeapRegionVisitor = com.oracle.svm.core.MemoryWalker$ImageHeapRegionVisitor of com.oracle.svm.core.MemoryWalker
  public abstract Visitor = com.oracle.svm.core.MemoryWalker$Visitor of com.oracle.svm.core.MemoryWalker
  public final Access = com.oracle.svm.core.annotate.RestrictHeapAccess$Access of com.oracle.svm.core.annotate.RestrictHeapAccess