https://www.graalvm.org/ 
public abstract class com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode extends com.oracle.truffle.js.nodes.JavaScriptBaseNode
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode
  super_class: com.oracle.truffle.js.nodes.JavaScriptBaseNode
{
  protected final com.oracle.truffle.js.runtime.JSContext context;
    descriptor: Lcom/oracle/truffle/js/runtime/JSContext;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected final java.lang.Object key;
    descriptor: Ljava/lang/Object;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected com.oracle.truffle.js.nodes.access.IsJSObjectNode isObject;
    descriptor: Lcom/oracle/truffle/js/nodes/access/IsJSObjectNode;
    flags: (0x0004) ACC_PROTECTED
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Child()

  protected void <init>(com.oracle.truffle.js.runtime.JSContext, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Ljava/lang/Object;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
        start local 1 // com.oracle.truffle.js.runtime.JSContext context
        start local 2 // java.lang.Object key
         0: .line 60
            aload 0 /* this */
            invokespecial com.oracle.truffle.js.nodes.JavaScriptBaseNode.<init>:()V
         1: .line 61
            aload 0 /* this */
            aload 1 /* context */
            putfield com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode.context:Lcom/oracle/truffle/js/runtime/JSContext;
         2: .line 62
            aload 0 /* this */
            aload 2 /* key */
            putfield com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode.key:Ljava/lang/Object;
         3: .line 63
            aload 0 /* this */
            invokestatic com.oracle.truffle.js.nodes.access.IsJSObjectNode.create:()Lcom/oracle/truffle/js/nodes/access/IsJSObjectNode;
            putfield com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode.isObject:Lcom/oracle/truffle/js/nodes/access/IsJSObjectNode;
         4: .line 64
            return
        end local 2 // java.lang.Object key
        end local 1 // com.oracle.truffle.js.runtime.JSContext context
        end local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Lcom/oracle/truffle/js/nodes/function/CreateMethodPropertyNode;
            0    5     1  context  Lcom/oracle/truffle/js/runtime/JSContext;
            0    5     2      key  Ljava/lang/Object;
    MethodParameters:
         Name  Flags
      context  
      key      

  public static com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode create(com.oracle.truffle.js.runtime.JSContext, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Ljava/lang/Object;)Lcom/oracle/truffle/js/nodes/function/CreateMethodPropertyNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
         0: .line 67
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tCreateMethodPropertyNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
         Name  Flags
      context  
      key      

  public abstract void executeVoid(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      object  
      value   

  protected static void doCached(java.lang.Object, java.lang.Object, com.oracle.truffle.js.nodes.access.PropertySetNode);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Lcom/oracle/truffle/js/nodes/access/PropertySetNode;)V
    flags: (0x000c) ACC_PROTECTED, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.lang.Object object
        start local 1 // java.lang.Object value
        start local 2 // com.oracle.truffle.js.nodes.access.PropertySetNode propertyCache
         0: .line 75
            aload 2 /* propertyCache */
            aload 0 /* object */
            aload 1 /* value */
            invokevirtual com.oracle.truffle.js.nodes.access.PropertySetNode.setValue:(Ljava/lang/Object;Ljava/lang/Object;)V
         1: .line 76
            return
        end local 2 // com.oracle.truffle.js.nodes.access.PropertySetNode propertyCache
        end local 1 // java.lang.Object value
        end local 0 // java.lang.Object object
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    2     0         object  Ljava/lang/Object;
            0    2     1          value  Ljava/lang/Object;
            0    2     2  propertyCache  Lcom/oracle/truffle/js/nodes/access/PropertySetNode;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(guards = {"context.getPropertyCacheLimit() > 0", "isObject.executeBoolean(object)"})
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
      2:
        com.oracle.truffle.api.dsl.Cached(value = "makeDefinePropertyCache()")
    MethodParameters:
               Name  Flags
      object         
      value          
      propertyCache  

  protected final void doUncached(com.oracle.truffle.api.object.DynamicObject, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)V
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=6, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
        start local 1 // com.oracle.truffle.api.object.DynamicObject object
        start local 2 // java.lang.Object value
         0: .line 80
            aload 1 /* object */
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode.key:Ljava/lang/Object;
            aload 2 /* value */
            iconst_0
            iconst_1
            iconst_1
            invokestatic com.oracle.truffle.js.runtime.objects.PropertyDescriptor.createData:(Ljava/lang/Object;ZZZ)Lcom/oracle/truffle/js/runtime/objects/PropertyDescriptor;
            invokestatic com.oracle.truffle.js.runtime.objects.JSObject.defineOwnProperty:(Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;Lcom/oracle/truffle/js/runtime/objects/PropertyDescriptor;)Z
            pop
         1: .line 81
            return
        end local 2 // java.lang.Object value
        end local 1 // com.oracle.truffle.api.object.DynamicObject object
        end local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lcom/oracle/truffle/js/nodes/function/CreateMethodPropertyNode;
            0    2     1  object  Lcom/oracle/truffle/api/object/DynamicObject;
            0    2     2   value  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(guards = {"context.getPropertyCacheLimit() == 0", "isJSObject(object)"})
    MethodParameters:
        Name  Flags
      object  
      value   

  protected final void doNonObject(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)V
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
        start local 1 // java.lang.Object object
        start local 2 // java.lang.Object value
         0: .line 85
            aload 1 /* object */
            aload 0 /* this */
            invokestatic com.oracle.truffle.js.runtime.Errors.createTypeErrorNotAnObject:(Ljava/lang/Object;Lcom/oracle/truffle/api/nodes/Node;)Lcom/oracle/truffle/js/runtime/JSException;
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object object
        end local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lcom/oracle/truffle/js/nodes/function/CreateMethodPropertyNode;
            0    1     1  object  Ljava/lang/Object;
            0    1     2   value  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(guards = {"!isJSObject(object)"})
    MethodParameters:
        Name  Flags
      object  
      value   

  protected final com.oracle.truffle.js.nodes.access.PropertySetNode makeDefinePropertyCache();
    descriptor: ()Lcom/oracle/truffle/js/nodes/access/PropertySetNode;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
         0: .line 89
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode.key:Ljava/lang/Object;
            iconst_0
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode.context:Lcom/oracle/truffle/js/runtime/JSContext;
            iconst_1
            iconst_1
            invokestatic com.oracle.truffle.js.runtime.objects.JSAttributes.getDefaultNotEnumerable:()I
            invokestatic com.oracle.truffle.js.nodes.access.PropertySetNode.createImpl:(Ljava/lang/Object;ZLcom/oracle/truffle/js/runtime/JSContext;ZZI)Lcom/oracle/truffle/js/nodes/access/PropertySetNode;
            areturn
        end local 0 // com.oracle.truffle.js.nodes.function.CreateMethodPropertyNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/nodes/function/CreateMethodPropertyNode;
}
SourceFile: "CreateMethodPropertyNode.java"
InnerClasses:
  public abstract Child = com.oracle.truffle.api.nodes.Node$Child of com.oracle.truffle.api.nodes.Node