https://www.graalvm.org/ 
public abstract class com.oracle.truffle.js.nodes.unary.JSUnaryNode 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.unary.JSUnaryNode
  super_class: com.oracle.truffle.js.nodes.JavaScriptNode
{
  protected com.oracle.truffle.js.nodes.JavaScriptNode operandNode;
    descriptor: Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    flags: (0x0004) ACC_PROTECTED
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Child()
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.dsl.Executed()

  protected void <init>(com.oracle.truffle.js.nodes.JavaScriptNode);
    descriptor: (Lcom/oracle/truffle/js/nodes/JavaScriptNode;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
        start local 1 // com.oracle.truffle.js.nodes.JavaScriptNode operand
         0: .line 57
            aload 0 /* this */
            invokespecial com.oracle.truffle.js.nodes.JavaScriptNode.<init>:()V
         1: .line 58
            aload 0 /* this */
            aload 1 /* operand */
            putfield com.oracle.truffle.js.nodes.unary.JSUnaryNode.operandNode:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
         2: .line 59
            return
        end local 1 // com.oracle.truffle.js.nodes.JavaScriptNode operand
        end local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lcom/oracle/truffle/js/nodes/unary/JSUnaryNode;
            0    3     1  operand  Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    MethodParameters:
         Name  Flags
      operand  

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
         0: .line 64
            aload 0 /* this */
            invokespecial com.oracle.truffle.js.nodes.JavaScriptNode.<init>:()V
         1: .line 65
            return
        end local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/nodes/unary/JSUnaryNode;

  public final com.oracle.truffle.js.nodes.JavaScriptNode getOperand();
    descriptor: ()Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
         0: .line 68
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.unary.JSUnaryNode.operandNode:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            areturn
        end local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/nodes/unary/JSUnaryNode;

  public abstract java.lang.Object execute(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         
      operandValue  

  public java.lang.String expressionToString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
         0: .line 75
            aload 0 /* this */
            invokevirtual com.oracle.truffle.js.nodes.unary.JSUnaryNode.getOperand:()Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            ifnull 8
         1: .line 76
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc Lcom/oracle/truffle/api/nodes/NodeInfo;
            invokevirtual java.lang.Class.getAnnotation:(Ljava/lang/Class;)Ljava/lang/annotation/Annotation;
            checkcast com.oracle.truffle.api.nodes.NodeInfo
            astore 1 /* annotation */
        start local 1 // com.oracle.truffle.api.nodes.NodeInfo annotation
         2: .line 77
            aload 1 /* annotation */
            ifnull 8
         3: .line 78
            aload 1 /* annotation */
            invokeinterface com.oracle.truffle.api.nodes.NodeInfo.shortName:()Ljava/lang/String;
            astore 2 /* shortName */
        start local 2 // java.lang.String shortName
         4: .line 79
            aload 2 /* shortName */
            invokevirtual java.lang.String.isEmpty:()Z
            ifne 8
         5: .line 80
            new java.lang.StringBuilder
            dup
            ldc "("
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* shortName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 2 /* shortName */
            invokevirtual java.lang.String.length:()I
            iconst_1
            if_icmpne 6
            ldc ""
            goto 7
      StackMap locals: com.oracle.truffle.js.nodes.unary.JSUnaryNode com.oracle.truffle.api.nodes.NodeInfo java.lang.String
      StackMap stack: java.lang.StringBuilder
         6: ldc " "
      StackMap locals: com.oracle.truffle.js.nodes.unary.JSUnaryNode com.oracle.truffle.api.nodes.NodeInfo java.lang.String
      StackMap stack: java.lang.StringBuilder java.lang.String
         7: invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            invokevirtual com.oracle.truffle.js.nodes.unary.JSUnaryNode.getOperand:()Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            invokevirtual com.oracle.truffle.js.nodes.JavaScriptNode.expressionToString:()Ljava/lang/String;
            ldc "(intermediate value)"
            invokestatic java.util.Objects.toString:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ")"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 2 // java.lang.String shortName
        end local 1 // com.oracle.truffle.api.nodes.NodeInfo annotation
         8: .line 84
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    9     0        this  Lcom/oracle/truffle/js/nodes/unary/JSUnaryNode;
            2    8     1  annotation  Lcom/oracle/truffle/api/nodes/NodeInfo;
            4    8     2   shortName  Ljava/lang/String;

  public java.lang.Object getNodeObject();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
         0: .line 89
            ldc "operator"
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc Lcom/oracle/truffle/api/nodes/NodeInfo;
            invokevirtual java.lang.Class.getAnnotation:(Ljava/lang/Class;)Ljava/lang/annotation/Annotation;
            checkcast com.oracle.truffle.api.nodes.NodeInfo
            invokeinterface com.oracle.truffle.api.nodes.NodeInfo.shortName:()Ljava/lang/String;
            invokestatic com.oracle.truffle.js.nodes.instrumentation.JSTags.createNodeObjectDescriptor:(Ljava/lang/String;Ljava/lang/Object;)Lcom/oracle/truffle/js/nodes/instrumentation/NodeObjectDescriptor;
            areturn
        end local 0 // com.oracle.truffle.js.nodes.unary.JSUnaryNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/nodes/unary/JSUnaryNode;

  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.unary.JSUnaryNode this
         0: .line 94
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tJSUnaryNodeWrapper 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.unary.JSUnaryNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/nodes/unary/JSUnaryNode;
    MethodParameters:
       Name  Flags
      probe  
}
SourceFile: "JSUnaryNode.java"
InnerClasses:
  public abstract WrapperNode = com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode of com.oracle.truffle.api.instrumentation.InstrumentableNode
  public abstract Child = com.oracle.truffle.api.nodes.Node$Child of com.oracle.truffle.api.nodes.Node
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.instrumentation.GenerateWrapper()