https://www.graalvm.org/ 
public interface com.oracle.truffle.js.nodes.access.PropertyCacheNode$ConstantObjectReceiverCheck
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.truffle.js.nodes.access.PropertyCacheNode$ConstantObjectReceiverCheck
  super_class: java.lang.Object
{
  public abstract java.lang.Object getExpectedObject();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void clearExpectedObject();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "PropertyCacheNode.java"
NestHost: com.oracle.truffle.js.nodes.access.PropertyCacheNode
InnerClasses:
  protected abstract ConstantObjectReceiverCheck = com.oracle.truffle.js.nodes.access.PropertyCacheNode$ConstantObjectReceiverCheck of com.oracle.truffle.js.nodes.access.PropertyCacheNode