https://www.graalvm.org/ 
public final class com.oracle.truffle.js.builtins.RealmFunctionBuiltins extends com.oracle.truffle.js.builtins.JSBuiltinsContainer$SwitchEnum<com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmFunction>
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.builtins.RealmFunctionBuiltins
  super_class: com.oracle.truffle.js.builtins.JSBuiltinsContainer$SwitchEnum
{
  public static final com.oracle.truffle.js.builtins.JSBuiltinsContainer BUILTINS;
    descriptor: Lcom/oracle/truffle/js/builtins/JSBuiltinsContainer;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 67
            new com.oracle.truffle.js.builtins.RealmFunctionBuiltins
            dup
            invokespecial com.oracle.truffle.js.builtins.RealmFunctionBuiltins.<init>:()V
            putstatic com.oracle.truffle.js.builtins.RealmFunctionBuiltins.BUILTINS:Lcom/oracle/truffle/js/builtins/JSBuiltinsContainer;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.builtins.RealmFunctionBuiltins this
         0: .line 70
            aload 0 /* this */
            ldc "Realm"
            ldc Lcom/oracle/truffle/js/builtins/RealmFunctionBuiltins$RealmFunction;
            invokespecial com.oracle.truffle.js.builtins.JSBuiltinsContainer$SwitchEnum.<init>:(Ljava/lang/String;Ljava/lang/Class;)V
         1: .line 71
            return
        end local 0 // com.oracle.truffle.js.builtins.RealmFunctionBuiltins this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/builtins/RealmFunctionBuiltins;

  protected java.lang.Object createNode(com.oracle.truffle.js.runtime.JSContext, com.oracle.truffle.js.nodes.function.JSBuiltin, boolean, boolean, com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmFunction);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/js/nodes/function/JSBuiltin;ZZLcom/oracle/truffle/js/builtins/RealmFunctionBuiltins$RealmFunction;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=6, args_size=6
        start local 0 // com.oracle.truffle.js.builtins.RealmFunctionBuiltins this
         0: .line 98
            new java.lang.Error
            dup
            ldc "Unresolved compilation problems: \n\tRealmCreateNodeGen cannot be resolved\n\tRealmGlobalNodeGen cannot be resolved\n\tRealmDisposeNodeGen cannot be resolved\n\tRealmCurrentNodeGen cannot be resolved\n\tRealmEvalNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // com.oracle.truffle.js.builtins.RealmFunctionBuiltins this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/builtins/RealmFunctionBuiltins;
    MethodParameters:
             Name  Flags
      context      
      builtin      
      construct    
      newTarget    
      builtinEnum  

  protected static com.oracle.truffle.js.runtime.JSRealm topLevelRealm(com.oracle.truffle.js.runtime.JSContext);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;)Lcom/oracle/truffle/js/runtime/JSRealm;
    flags: (0x000c) ACC_PROTECTED, ACC_STATIC
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.JSContext context
         0: .line 112
            aload 0 /* context */
            invokevirtual com.oracle.truffle.js.runtime.JSContext.getRealm:()Lcom/oracle/truffle/js/runtime/JSRealm;
            astore 1 /* realm */
        start local 1 // com.oracle.truffle.js.runtime.JSRealm realm
         1: .line 113
            goto 3
         2: .line 114
      StackMap locals: com.oracle.truffle.js.runtime.JSRealm
      StackMap stack:
            aload 1 /* realm */
            invokevirtual com.oracle.truffle.js.runtime.JSRealm.getParent:()Lcom/oracle/truffle/js/runtime/JSRealm;
            astore 1 /* realm */
         3: .line 113
      StackMap locals:
      StackMap stack:
            aload 1 /* realm */
            invokevirtual com.oracle.truffle.js.runtime.JSRealm.getParent:()Lcom/oracle/truffle/js/runtime/JSRealm;
            ifnonnull 2
         4: .line 116
            aload 1 /* realm */
            areturn
        end local 1 // com.oracle.truffle.js.runtime.JSRealm realm
        end local 0 // com.oracle.truffle.js.runtime.JSContext context
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0  context  Lcom/oracle/truffle/js/runtime/JSContext;
            1    5     1    realm  Lcom/oracle/truffle/js/runtime/JSRealm;
    MethodParameters:
         Name  Flags
      context  

  protected static int toRealmIndexOrThrow(com.oracle.truffle.js.runtime.JSRealm, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSRealm;Ljava/lang/Object;)I
    flags: (0x000c) ACC_PROTECTED, ACC_STATIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.JSRealm topLevelRealm
        start local 1 // java.lang.Object index
         0: .line 120
            aload 1 /* index */
            invokestatic com.oracle.truffle.js.runtime.JSRuntime.toNumber:(Ljava/lang/Object;)Ljava/lang/Number;
            invokestatic com.oracle.truffle.js.runtime.JSRuntime.intValue:(Ljava/lang/Number;)I
            istore 2 /* realmIdx */
        start local 2 // int realmIdx
         1: .line 121
            iload 2 /* realmIdx */
            ifge 3
         2: .line 122
            ldc "Invalid realm index"
            invokestatic com.oracle.truffle.js.runtime.Errors.createTypeError:(Ljava/lang/String;)Lcom/oracle/truffle/js/runtime/JSException;
            athrow
         3: .line 124
      StackMap locals: int
      StackMap stack:
            aload 0 /* topLevelRealm */
            iload 2 /* realmIdx */
            invokevirtual com.oracle.truffle.js.runtime.JSRealm.getFromRealmList:(I)Lcom/oracle/truffle/js/runtime/JSRealm;
            astore 3 /* jsrealm */
        start local 3 // com.oracle.truffle.js.runtime.JSRealm jsrealm
         4: .line 125
            aload 3 /* jsrealm */
            ifnonnull 6
         5: .line 126
            ldc "Invalid realm index"
            invokestatic com.oracle.truffle.js.runtime.Errors.createTypeError:(Ljava/lang/String;)Lcom/oracle/truffle/js/runtime/JSException;
            athrow
         6: .line 128
      StackMap locals: com.oracle.truffle.js.runtime.JSRealm
      StackMap stack:
            iload 2 /* realmIdx */
            ireturn
        end local 3 // com.oracle.truffle.js.runtime.JSRealm jsrealm
        end local 2 // int realmIdx
        end local 1 // java.lang.Object index
        end local 0 // com.oracle.truffle.js.runtime.JSRealm topLevelRealm
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    7     0  topLevelRealm  Lcom/oracle/truffle/js/runtime/JSRealm;
            0    7     1          index  Ljava/lang/Object;
            1    7     2       realmIdx  I
            4    7     3        jsrealm  Lcom/oracle/truffle/js/runtime/JSRealm;
    MethodParameters:
               Name  Flags
      topLevelRealm  
      index          

  protected java.lang.Object createNode(com.oracle.truffle.js.runtime.JSContext, com.oracle.truffle.js.nodes.function.JSBuiltin, boolean, boolean, java.lang.Enum);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/js/nodes/function/JSBuiltin;ZZLjava/lang/Enum;)Ljava/lang/Object;
    flags: (0x1044) ACC_PROTECTED, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=6, locals=6, args_size=6
         0: .line 1
            aload 0
            aload 1
            aload 2
            iload 3
            iload 4
            aload 5
            checkcast com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmFunction
            invokevirtual com.oracle.truffle.js.builtins.RealmFunctionBuiltins.createNode:(Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/js/nodes/function/JSBuiltin;ZZLcom/oracle/truffle/js/builtins/RealmFunctionBuiltins$RealmFunction;)Ljava/lang/Object;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lcom/oracle/truffle/js/builtins/JSBuiltinsContainer$SwitchEnum<Lcom/oracle/truffle/js/builtins/RealmFunctionBuiltins$RealmFunction;>;
SourceFile: "RealmFunctionBuiltins.java"
NestMembers:
  com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmCreateNode  com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmCurrentNode  com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmDisposeNode  com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmEvalNode  com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmFunction  com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmGlobalNode
InnerClasses:
  public SwitchEnum = com.oracle.truffle.js.builtins.JSBuiltinsContainer$SwitchEnum of com.oracle.truffle.js.builtins.JSBuiltinsContainer
  public abstract RealmCreateNode = com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmCreateNode of com.oracle.truffle.js.builtins.RealmFunctionBuiltins
  public abstract RealmCurrentNode = com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmCurrentNode of com.oracle.truffle.js.builtins.RealmFunctionBuiltins
  public abstract RealmDisposeNode = com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmDisposeNode of com.oracle.truffle.js.builtins.RealmFunctionBuiltins
  public abstract RealmEvalNode = com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmEvalNode of com.oracle.truffle.js.builtins.RealmFunctionBuiltins
  public final RealmFunction = com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmFunction of com.oracle.truffle.js.builtins.RealmFunctionBuiltins
  public abstract RealmGlobalNode = com.oracle.truffle.js.builtins.RealmFunctionBuiltins$RealmGlobalNode of com.oracle.truffle.js.builtins.RealmFunctionBuiltins