https://www.graalvm.org/ 
class com.oracle.graal.pointsto.ObjectScanner$WorklistEntry
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.graal.pointsto.ObjectScanner$WorklistEntry
  super_class: java.lang.Object
{
  private final com.oracle.graal.pointsto.ObjectScanner$WorklistEntry previous;
    descriptor: Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final jdk.vm.ci.meta.JavaConstant constant;
    descriptor: Ljdk/vm/ci/meta/JavaConstant;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final com.oracle.graal.pointsto.ObjectScanner$ScanReason reason;
    descriptor: Lcom/oracle/graal/pointsto/ObjectScanner$ScanReason;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(com.oracle.graal.pointsto.ObjectScanner$WorklistEntry, jdk.vm.ci.meta.JavaConstant, com.oracle.graal.pointsto.ObjectScanner$ScanReason);
    descriptor: (Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;Ljdk/vm/ci/meta/JavaConstant;Lcom/oracle/graal/pointsto/ObjectScanner$ScanReason;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
        start local 1 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry previous
        start local 2 // jdk.vm.ci.meta.JavaConstant constant
        start local 3 // com.oracle.graal.pointsto.ObjectScanner$ScanReason reason
         0: .line 441
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 442
            aload 0 /* this */
            aload 1 /* previous */
            putfield com.oracle.graal.pointsto.ObjectScanner$WorklistEntry.previous:Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;
         2: .line 443
            aload 0 /* this */
            aload 2 /* constant */
            putfield com.oracle.graal.pointsto.ObjectScanner$WorklistEntry.constant:Ljdk/vm/ci/meta/JavaConstant;
         3: .line 444
            aload 0 /* this */
            aload 3 /* reason */
            putfield com.oracle.graal.pointsto.ObjectScanner$WorklistEntry.reason:Lcom/oracle/graal/pointsto/ObjectScanner$ScanReason;
         4: .line 445
            return
        end local 3 // com.oracle.graal.pointsto.ObjectScanner$ScanReason reason
        end local 2 // jdk.vm.ci.meta.JavaConstant constant
        end local 1 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry previous
        end local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;
            0    5     1  previous  Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;
            0    5     2  constant  Ljdk/vm/ci/meta/JavaConstant;
            0    5     3    reason  Lcom/oracle/graal/pointsto/ObjectScanner$ScanReason;
    MethodParameters:
          Name  Flags
      previous  
      constant  
      reason    

  public com.oracle.graal.pointsto.ObjectScanner$WorklistEntry getPrevious();
    descriptor: ()Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
         0: .line 448
            aload 0 /* this */
            getfield com.oracle.graal.pointsto.ObjectScanner$WorklistEntry.previous:Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;
            areturn
        end local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;

  public jdk.vm.ci.meta.JavaConstant getConstant();
    descriptor: ()Ljdk/vm/ci/meta/JavaConstant;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
         0: .line 452
            aload 0 /* this */
            getfield com.oracle.graal.pointsto.ObjectScanner$WorklistEntry.constant:Ljdk/vm/ci/meta/JavaConstant;
            areturn
        end local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;

  public com.oracle.graal.pointsto.ObjectScanner$ScanReason getReason();
    descriptor: ()Lcom/oracle/graal/pointsto/ObjectScanner$ScanReason;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
         0: .line 456
            aload 0 /* this */
            getfield com.oracle.graal.pointsto.ObjectScanner$WorklistEntry.reason:Lcom/oracle/graal/pointsto/ObjectScanner$ScanReason;
            areturn
        end local 0 // com.oracle.graal.pointsto.ObjectScanner$WorklistEntry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/graal/pointsto/ObjectScanner$WorklistEntry;
}
SourceFile: "ObjectScanner.java"
NestHost: com.oracle.graal.pointsto.ObjectScanner
InnerClasses:
  public abstract ScanReason = com.oracle.graal.pointsto.ObjectScanner$ScanReason of com.oracle.graal.pointsto.ObjectScanner
  WorklistEntry = com.oracle.graal.pointsto.ObjectScanner$WorklistEntry of com.oracle.graal.pointsto.ObjectScanner