https://www.graalvm.org/ 
class com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty implements com.oracle.truffle.js.runtime.objects.PropertyProxy
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty
  super_class: java.lang.Object
{
  private final java.lang.Object source;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String key;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(java.lang.Object, java.lang.String);
    descriptor: (Ljava/lang/Object;Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty this
        start local 1 // java.lang.Object source
        start local 2 // java.lang.String key
         0: .line 1372
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 1373
            aload 0 /* this */
            aload 1 /* source */
            putfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.source:Ljava/lang/Object;
         2: .line 1374
            aload 0 /* this */
            aload 2 /* key */
            putfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.key:Ljava/lang/String;
         3: .line 1375
            return
        end local 2 // java.lang.String key
        end local 1 // java.lang.Object source
        end local 0 // com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lcom/oracle/truffle/js/builtins/ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty;
            0    4     1  source  Ljava/lang/Object;
            0    4     2     key  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      source  
      key     

  public java.lang.Object get(com.oracle.truffle.api.object.DynamicObject);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty this
        start local 1 // com.oracle.truffle.api.object.DynamicObject store
         0: .line 1379
            invokestatic com.oracle.truffle.api.interop.InteropLibrary.getFactory:()Lcom/oracle/truffle/api/library/LibraryFactory;
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.source:Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.library.LibraryFactory.getUncached:(Ljava/lang/Object;)Lcom/oracle/truffle/api/library/Library;
            checkcast com.oracle.truffle.api.interop.InteropLibrary
            astore 2 /* library */
        start local 2 // com.oracle.truffle.api.interop.InteropLibrary library
         1: .line 1380
            aload 2 /* library */
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.source:Ljava/lang/Object;
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.key:Ljava/lang/String;
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.isMemberReadable:(Ljava/lang/Object;Ljava/lang/String;)Z
            ifeq 5
         2: .line 1382
            aload 2 /* library */
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.source:Ljava/lang/Object;
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.key:Ljava/lang/String;
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.readMember:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            invokestatic com.oracle.truffle.js.runtime.JSRuntime.importValue:(Ljava/lang/Object;)Ljava/lang/Object;
         3: areturn
         4: .line 1383
      StackMap locals: com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty com.oracle.truffle.api.object.DynamicObject com.oracle.truffle.api.interop.InteropLibrary
      StackMap stack: com.oracle.truffle.api.interop.InteropException
            pop
         5: .line 1386
      StackMap locals:
      StackMap stack:
            getstatic com.oracle.truffle.js.runtime.objects.Undefined.instance:Lcom/oracle/truffle/js/runtime/objects/JSDynamicObject;
            areturn
        end local 2 // com.oracle.truffle.api.interop.InteropLibrary library
        end local 1 // com.oracle.truffle.api.object.DynamicObject store
        end local 0 // com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    6     0     this  Lcom/oracle/truffle/js/builtins/ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty;
            0    6     1    store  Lcom/oracle/truffle/api/object/DynamicObject;
            1    6     2  library  Lcom/oracle/truffle/api/interop/InteropLibrary;
      Exception table:
        from    to  target  type
           2     3       4  Class com.oracle.truffle.api.interop.UnsupportedMessageException
           2     3       4  Class com.oracle.truffle.api.interop.UnknownIdentifierException
    MethodParameters:
       Name  Flags
      store  

  public boolean set(com.oracle.truffle.api.object.DynamicObject, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty this
        start local 1 // com.oracle.truffle.api.object.DynamicObject store
        start local 2 // java.lang.Object value
         0: .line 1391
            invokestatic com.oracle.truffle.api.interop.InteropLibrary.getFactory:()Lcom/oracle/truffle/api/library/LibraryFactory;
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.source:Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.library.LibraryFactory.getUncached:(Ljava/lang/Object;)Lcom/oracle/truffle/api/library/Library;
            checkcast com.oracle.truffle.api.interop.InteropLibrary
            astore 3 /* library */
        start local 3 // com.oracle.truffle.api.interop.InteropLibrary library
         1: .line 1392
            aload 3 /* library */
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.source:Ljava/lang/Object;
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.key:Ljava/lang/String;
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.isMemberWritable:(Ljava/lang/Object;Ljava/lang/String;)Z
            ifeq 5
         2: .line 1394
            aload 3 /* library */
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.source:Ljava/lang/Object;
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty.key:Ljava/lang/String;
            aload 2 /* value */
            invokestatic com.oracle.truffle.js.runtime.JSRuntime.exportValue:(Ljava/lang/Object;)Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.writeMember:(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)V
         3: .line 1395
            iconst_1
            ireturn
         4: .line 1396
      StackMap locals: com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty com.oracle.truffle.api.object.DynamicObject java.lang.Object com.oracle.truffle.api.interop.InteropLibrary
      StackMap stack: com.oracle.truffle.api.interop.InteropException
            pop
         5: .line 1399
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 3 // com.oracle.truffle.api.interop.InteropLibrary library
        end local 2 // java.lang.Object value
        end local 1 // com.oracle.truffle.api.object.DynamicObject store
        end local 0 // com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    6     0     this  Lcom/oracle/truffle/js/builtins/ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty;
            0    6     1    store  Lcom/oracle/truffle/api/object/DynamicObject;
            0    6     2    value  Ljava/lang/Object;
            1    6     3  library  Lcom/oracle/truffle/api/interop/InteropLibrary;
      Exception table:
        from    to  target  type
           2     3       4  Class com.oracle.truffle.api.interop.UnsupportedMessageException
           2     3       4  Class com.oracle.truffle.api.interop.UnknownIdentifierException
           2     3       4  Class com.oracle.truffle.api.interop.UnsupportedTypeException
    MethodParameters:
       Name  Flags
      store  
      value  
}
SourceFile: "ObjectFunctionBuiltins.java"
NestHost: com.oracle.truffle.js.builtins.ObjectFunctionBuiltins
InnerClasses:
  public abstract ObjectBindPropertiesNode = com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode of com.oracle.truffle.js.builtins.ObjectFunctionBuiltins
  ForeignBoundProperty = com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode$ForeignBoundProperty of com.oracle.truffle.js.builtins.ObjectFunctionBuiltins$ObjectBindPropertiesNode