https://www.graalvm.org/ 
public final class com.oracle.truffle.js.builtins.BigIntFunctionBuiltins extends com.oracle.truffle.js.builtins.JSBuiltinsContainer$SwitchEnum<com.oracle.truffle.js.builtins.BigIntFunctionBuiltins$BigIntFunction>
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.builtins.BigIntFunctionBuiltins
  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 63
            new com.oracle.truffle.js.builtins.BigIntFunctionBuiltins
            dup
            invokespecial com.oracle.truffle.js.builtins.BigIntFunctionBuiltins.<init>:()V
            putstatic com.oracle.truffle.js.builtins.BigIntFunctionBuiltins.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.BigIntFunctionBuiltins this
         0: .line 66
            aload 0 /* this */
            ldc "BigInt"
            ldc Lcom/oracle/truffle/js/builtins/BigIntFunctionBuiltins$BigIntFunction;
            invokespecial com.oracle.truffle.js.builtins.JSBuiltinsContainer$SwitchEnum.<init>:(Ljava/lang/String;Ljava/lang/Class;)V
         1: .line 67
            return
        end local 0 // com.oracle.truffle.js.builtins.BigIntFunctionBuiltins this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/builtins/BigIntFunctionBuiltins;

  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.BigIntFunctionBuiltins$BigIntFunction);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/js/nodes/function/JSBuiltin;ZZLcom/oracle/truffle/js/builtins/BigIntFunctionBuiltins$BigIntFunction;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=6, args_size=6
        start local 0 // com.oracle.truffle.js.builtins.BigIntFunctionBuiltins this
         0: .line 94
            new java.lang.Error
            dup
            ldc "Unresolved compilation problems: \n\tJSBigIntAsUintNNodeGen cannot be resolved\n\tJSBigIntAsIntNNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // com.oracle.truffle.js.builtins.BigIntFunctionBuiltins this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/builtins/BigIntFunctionBuiltins;
    MethodParameters:
             Name  Flags
      context      
      builtin      
      construct    
      newTarget    
      builtinEnum  

  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.BigIntFunctionBuiltins$BigIntFunction
            invokevirtual com.oracle.truffle.js.builtins.BigIntFunctionBuiltins.createNode:(Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/js/nodes/function/JSBuiltin;ZZLcom/oracle/truffle/js/builtins/BigIntFunctionBuiltins$BigIntFunction;)Ljava/lang/Object;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lcom/oracle/truffle/js/builtins/JSBuiltinsContainer$SwitchEnum<Lcom/oracle/truffle/js/builtins/BigIntFunctionBuiltins$BigIntFunction;>;
SourceFile: "BigIntFunctionBuiltins.java"
NestMembers:
  com.oracle.truffle.js.builtins.BigIntFunctionBuiltins$BigIntFunction  com.oracle.truffle.js.builtins.BigIntFunctionBuiltins$JSBigIntAsIntNNode  com.oracle.truffle.js.builtins.BigIntFunctionBuiltins$JSBigIntAsUintNNode
InnerClasses:
  public final BigIntFunction = com.oracle.truffle.js.builtins.BigIntFunctionBuiltins$BigIntFunction of com.oracle.truffle.js.builtins.BigIntFunctionBuiltins
  public abstract JSBigIntAsIntNNode = com.oracle.truffle.js.builtins.BigIntFunctionBuiltins$JSBigIntAsIntNNode of com.oracle.truffle.js.builtins.BigIntFunctionBuiltins
  public abstract JSBigIntAsUintNNode = com.oracle.truffle.js.builtins.BigIntFunctionBuiltins$JSBigIntAsUintNNode of com.oracle.truffle.js.builtins.BigIntFunctionBuiltins
  public SwitchEnum = com.oracle.truffle.js.builtins.JSBuiltinsContainer$SwitchEnum of com.oracle.truffle.js.builtins.JSBuiltinsContainer