https://www.graalvm.org/ 
public abstract class com.oracle.truffle.js.nodes.access.JSTargetableNode extends com.oracle.truffle.js.nodes.JavaScriptNode
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.js.nodes.access.JSTargetableNode
  super_class: com.oracle.truffle.js.nodes.JavaScriptNode
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
         0: .line 52
            aload 0 /* this */
            invokespecial com.oracle.truffle.js.nodes.JavaScriptNode.<init>:()V
            return
        end local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/nodes/access/JSTargetableNode;

  public abstract java.lang.Object executeWithTarget(com.oracle.truffle.api.frame.VirtualFrame, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      frame   
      target  

  public java.lang.Object evaluateTarget(com.oracle.truffle.api.frame.VirtualFrame);
    descriptor: (Lcom/oracle/truffle/api/frame/VirtualFrame;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
        start local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
         0: .line 58
            aload 0 /* this */
            invokevirtual com.oracle.truffle.js.nodes.access.JSTargetableNode.getTarget:()Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            aload 1 /* frame */
            invokevirtual com.oracle.truffle.js.nodes.JavaScriptNode.execute:(Lcom/oracle/truffle/api/frame/VirtualFrame;)Ljava/lang/Object;
            areturn
        end local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/oracle/truffle/js/nodes/access/JSTargetableNode;
            0    1     1  frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
    MethodParameters:
       Name  Flags
      frame  

  public int executeIntWithTarget(com.oracle.truffle.api.frame.VirtualFrame, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Object;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
        start local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        start local 2 // java.lang.Object target
         0: .line 62
            aload 0 /* this */
            aload 1 /* frame */
            aload 2 /* target */
            invokevirtual com.oracle.truffle.js.nodes.access.JSTargetableNode.executeWithTarget:(Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Object;)Ljava/lang/Object;
            astore 3 /* o */
        start local 3 // java.lang.Object o
         1: .line 63
            aload 3 /* o */
            instanceof java.lang.Integer
            ifeq 3
         2: .line 64
            aload 3 /* o */
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            ireturn
         3: .line 66
      StackMap locals: java.lang.Object
      StackMap stack:
            new com.oracle.truffle.api.nodes.UnexpectedResultException
            dup
            aload 3 /* o */
            invokespecial com.oracle.truffle.api.nodes.UnexpectedResultException.<init>:(Ljava/lang/Object;)V
            athrow
        end local 3 // java.lang.Object o
        end local 2 // java.lang.Object target
        end local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lcom/oracle/truffle/js/nodes/access/JSTargetableNode;
            0    4     1   frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
            0    4     2  target  Ljava/lang/Object;
            1    4     3       o  Ljava/lang/Object;
    Exceptions:
      throws com.oracle.truffle.api.nodes.UnexpectedResultException
    MethodParameters:
        Name  Flags
      frame   
      target  

  public double executeDoubleWithTarget(com.oracle.truffle.api.frame.VirtualFrame, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Object;)D
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
        start local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        start local 2 // java.lang.Object target
         0: .line 71
            aload 0 /* this */
            aload 1 /* frame */
            aload 2 /* target */
            invokevirtual com.oracle.truffle.js.nodes.access.JSTargetableNode.executeWithTarget:(Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Object;)Ljava/lang/Object;
            astore 3 /* o */
        start local 3 // java.lang.Object o
         1: .line 72
            aload 3 /* o */
            instanceof java.lang.Double
            ifeq 3
         2: .line 73
            aload 3 /* o */
            checkcast java.lang.Double
            invokevirtual java.lang.Double.doubleValue:()D
            dreturn
         3: .line 74
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 3 /* o */
            instanceof java.lang.Integer
            ifeq 5
         4: .line 75
            aload 3 /* o */
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            i2d
            dreturn
         5: .line 77
      StackMap locals:
      StackMap stack:
            new com.oracle.truffle.api.nodes.UnexpectedResultException
            dup
            aload 3 /* o */
            invokespecial com.oracle.truffle.api.nodes.UnexpectedResultException.<init>:(Ljava/lang/Object;)V
            athrow
        end local 3 // java.lang.Object o
        end local 2 // java.lang.Object target
        end local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lcom/oracle/truffle/js/nodes/access/JSTargetableNode;
            0    6     1   frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
            0    6     2  target  Ljava/lang/Object;
            1    6     3       o  Ljava/lang/Object;
    Exceptions:
      throws com.oracle.truffle.api.nodes.UnexpectedResultException
    MethodParameters:
        Name  Flags
      frame   
      target  

  public com.oracle.truffle.js.nodes.JavaScriptNode getTarget();
    descriptor: ()Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
         0: .line 82
            aload 0 /* this */
            instanceof com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode
            ifeq 2
         1: .line 83
            aload 0 /* this */
            checkcast com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode
            invokeinterface com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode.getDelegateNode:()Lcom/oracle/truffle/api/nodes/Node;
            checkcast com.oracle.truffle.js.nodes.access.JSTargetableNode
            invokevirtual com.oracle.truffle.js.nodes.access.JSTargetableNode.getTarget:()Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            areturn
         2: .line 85
      StackMap locals:
      StackMap stack:
            ldc "getTarget"
            invokestatic com.oracle.truffle.js.runtime.Errors.notImplemented:(Ljava/lang/String;)Ljava/lang/RuntimeException;
            athrow
        end local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/oracle/truffle/js/nodes/access/JSTargetableNode;

  public static java.lang.Object evaluateReceiver(com.oracle.truffle.js.nodes.JavaScriptNode, com.oracle.truffle.api.frame.VirtualFrame, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/js/nodes/JavaScriptNode;Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.JavaScriptNode target
        start local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        start local 2 // java.lang.Object targetValue
         0: .line 89
            aload 0 /* target */
            invokestatic com.oracle.truffle.js.nodes.JSNodeUtil.getWrappedNode:(Lcom/oracle/truffle/js/nodes/JavaScriptNode;)Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            astore 3 /* targetNode */
        start local 3 // com.oracle.truffle.js.nodes.JavaScriptNode targetNode
         1: .line 90
            aload 3 /* targetNode */
            instanceof com.oracle.truffle.js.nodes.access.SuperPropertyReferenceNode
            ifne 3
         2: .line 91
            aload 2 /* targetValue */
            areturn
         3: .line 93
      StackMap locals: com.oracle.truffle.js.nodes.JavaScriptNode
      StackMap stack:
            aload 3 /* targetNode */
            checkcast com.oracle.truffle.js.nodes.access.SuperPropertyReferenceNode
            invokevirtual com.oracle.truffle.js.nodes.access.SuperPropertyReferenceNode.getThisValue:()Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            aload 1 /* frame */
            invokevirtual com.oracle.truffle.js.nodes.JavaScriptNode.execute:(Lcom/oracle/truffle/api/frame/VirtualFrame;)Ljava/lang/Object;
            areturn
        end local 3 // com.oracle.truffle.js.nodes.JavaScriptNode targetNode
        end local 2 // java.lang.Object targetValue
        end local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 0 // com.oracle.truffle.js.nodes.JavaScriptNode target
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    4     0       target  Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            0    4     1        frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
            0    4     2  targetValue  Ljava/lang/Object;
            1    4     3   targetNode  Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    MethodParameters:
             Name  Flags
      target       
      frame        
      targetValue  

  public com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode createWrapper(com.oracle.truffle.api.instrumentation.ProbeNode);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/ProbeNode;)Lcom/oracle/truffle/api/instrumentation/InstrumentableNode$WrapperNode;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
         0: .line 99
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tJSTargetableNodeWrapper cannot be resolved to a type\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // com.oracle.truffle.js.nodes.access.JSTargetableNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/nodes/access/JSTargetableNode;
    MethodParameters:
       Name  Flags
      probe  
}
SourceFile: "JSTargetableNode.java"
InnerClasses:
  public abstract WrapperNode = com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode of com.oracle.truffle.api.instrumentation.InstrumentableNode
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.instrumentation.GenerateWrapper()