https://www.graalvm.org/ 
final class com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject implements com.oracle.truffle.api.interop.TruffleObject
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject
  super_class: java.lang.Object
{
  private final java.lang.Object[] variables;
    descriptor: [Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 221
            ldc Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(java.lang.Object[]);
    descriptor: ([Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
        start local 1 // java.lang.Object[] variables
         0: .line 225
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 226
            getstatic com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.$assertionsDisabled:Z
            ifne 2
            aload 1 /* variables */
            arraylength
            iconst_2
            irem
            ifeq 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 227
      StackMap locals: com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject java.lang.Object[]
      StackMap stack:
            aload 0 /* this */
            aload 1 /* variables */
            putfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
         3: .line 228
            return
        end local 1 // java.lang.Object[] variables
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0       this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
            0    4     1  variables  [Ljava/lang/Object;
    MethodParameters:
           Name  Flags
      variables  

  boolean hasMembers();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
         0: .line 233
            iconst_1
            ireturn
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()

  java.lang.Object getMembers(boolean);
    descriptor: (Z)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
        start local 1 // boolean includeInternal
         0: .line 238
            new com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariableNames
            dup
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            invokespecial com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariableNames.<init>:([Ljava/lang/Object;)V
            areturn
        end local 1 // boolean includeInternal
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    1     0             this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
            0    1     1  includeInternal  Z
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    MethodParameters:
                 Name  Flags
      includeInternal  

  boolean isMemberReadable(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
        start local 1 // java.lang.String member
         0: .line 243
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         1: goto 5
         2: .line 244
      StackMap locals: int
      StackMap stack:
            aload 1 /* member */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            iload 2 /* i */
            aaload
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 4
         3: .line 245
            iconst_1
            ireturn
         4: .line 243
      StackMap locals:
      StackMap stack:
            iinc 2 /* i */ 2
      StackMap locals:
      StackMap stack:
         5: iload 2 /* i */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            arraylength
            if_icmplt 2
        end local 2 // int i
         6: .line 248
            iconst_0
            ireturn
        end local 1 // java.lang.String member
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
            0    7     1  member  Ljava/lang/String;
            1    6     2       i  I
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    MethodParameters:
        Name  Flags
      member  

  java.lang.Object readMember(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
        start local 1 // java.lang.String member
         0: .line 253
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         1: goto 5
         2: .line 254
      StackMap locals: int
      StackMap stack:
            aload 1 /* member */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            iload 2 /* i */
            aaload
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 4
         3: .line 255
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            iload 2 /* i */
            iconst_1
            iadd
            aaload
            areturn
         4: .line 253
      StackMap locals:
      StackMap stack:
            iinc 2 /* i */ 2
      StackMap locals:
      StackMap stack:
         5: iload 2 /* i */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            arraylength
            if_icmplt 2
        end local 2 // int i
         6: .line 258
            aload 1 /* member */
            invokestatic com.oracle.truffle.api.interop.UnknownIdentifierException.create:(Ljava/lang/String;)Lcom/oracle/truffle/api/interop/UnknownIdentifierException;
            athrow
        end local 1 // java.lang.String member
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
            0    7     1  member  Ljava/lang/String;
            1    6     2       i  I
    Exceptions:
      throws com.oracle.truffle.api.interop.UnknownIdentifierException
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    MethodParameters:
        Name  Flags
      member  

  boolean isMemberInsertable(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0000) 
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
        start local 1 // java.lang.String member
         0: .line 264
            iconst_0
            ireturn
        end local 1 // java.lang.String member
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
            0    1     1  member  Ljava/lang/String;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    MethodParameters:
        Name  Flags
      member  

  boolean isMemberModifiable(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
        start local 1 // java.lang.String member
         0: .line 269
            aload 0 /* this */
            aload 1 /* member */
            invokevirtual com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.isMemberReadable:(Ljava/lang/String;)Z
            ireturn
        end local 1 // java.lang.String member
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
            0    1     1  member  Ljava/lang/String;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    MethodParameters:
        Name  Flags
      member  

  void writeMember(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
        start local 1 // java.lang.String member
        start local 2 // java.lang.Object value
         0: .line 274
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         1: goto 6
         2: .line 275
      StackMap locals: int
      StackMap stack:
            aload 1 /* member */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            iload 3 /* i */
            aaload
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 5
         3: .line 276
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            iload 3 /* i */
            iconst_1
            iadd
            aload 2 /* value */
            aastore
         4: .line 277
            return
         5: .line 274
      StackMap locals:
      StackMap stack:
            iinc 3 /* i */ 2
      StackMap locals:
      StackMap stack:
         6: iload 3 /* i */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject.variables:[Ljava/lang/Object;
            arraylength
            if_icmplt 2
        end local 3 // int i
         7: .line 280
            aload 1 /* member */
            invokestatic com.oracle.truffle.api.interop.UnknownIdentifierException.create:(Ljava/lang/String;)Lcom/oracle/truffle/api/interop/UnknownIdentifierException;
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.String member
        end local 0 // com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lcom/oracle/truffle/api/test/polyglot/ScopeLegacyTest$VariablesObject;
            0    8     1  member  Ljava/lang/String;
            0    8     2   value  Ljava/lang/Object;
            1    7     3       i  I
    Exceptions:
      throws com.oracle.truffle.api.interop.UnknownIdentifierException
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    MethodParameters:
        Name  Flags
      member  
      value   
}
SourceFile: "ScopeLegacyTest.java"
NestHost: com.oracle.truffle.api.test.polyglot.ScopeLegacyTest
InnerClasses:
  final VariableNames = com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariableNames of com.oracle.truffle.api.test.polyglot.ScopeLegacyTest
  final VariablesObject = com.oracle.truffle.api.test.polyglot.ScopeLegacyTest$VariablesObject of com.oracle.truffle.api.test.polyglot.ScopeLegacyTest
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportLibrary(value = Lcom/oracle/truffle/api/interop/InteropLibrary;)