https://www.graalvm.org/ 
public class com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess
  super_class: java.lang.Object
{
  public static java.lang.Object staticField;
    descriptor: Ljava/lang/Object;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC

  public static final java.lang.Object finalField;
    descriptor: Ljava/lang/Object;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static java.lang.Object exportedStaticField;
    descriptor: Ljava/lang/Object;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    RuntimeVisibleAnnotations: 
      org.graalvm.polyglot.HostAccess$Export()

  public static final java.lang.Object exportedField;
    descriptor: Ljava/lang/Object;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    RuntimeVisibleAnnotations: 
      org.graalvm.polyglot.HostAccess$Export()

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 295
            ldc "42"
            putstatic com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess.staticField:Ljava/lang/Object;
         1: .line 296
            ldc "42"
            putstatic com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess.finalField:Ljava/lang/Object;
         2: .line 298
            ldc "42"
            putstatic com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess.exportedStaticField:Ljava/lang/Object;
         3: .line 299
            ldc "42"
            putstatic com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess.exportedField:Ljava/lang/Object;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess this
         0: .line 293
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/test/polyglot/ExposeToGuestTest$FieldAccess;
}
SourceFile: "ExposeToGuestTest.java"
NestHost: com.oracle.truffle.api.test.polyglot.ExposeToGuestTest
InnerClasses:
  public FieldAccess = com.oracle.truffle.api.test.polyglot.ExposeToGuestTest$FieldAccess of com.oracle.truffle.api.test.polyglot.ExposeToGuestTest
  public abstract Export = org.graalvm.polyglot.HostAccess$Export of org.graalvm.polyglot.HostAccess