https://www.graalvm.org/ 
public class com.oracle.truffle.api.benchmark.TruffleBenchmark
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.truffle.api.benchmark.TruffleBenchmark
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.benchmark.TruffleBenchmark this
         0: .line 60
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.api.benchmark.TruffleBenchmark this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/benchmark/TruffleBenchmark;
}
SourceFile: "TruffleBenchmark.java"
NestMembers:
  com.oracle.truffle.api.benchmark.TruffleBenchmark$Defaults
InnerClasses:
  public Defaults = com.oracle.truffle.api.benchmark.TruffleBenchmark$Defaults of com.oracle.truffle.api.benchmark.TruffleBenchmark
    RuntimeVisibleAnnotations: 
      org.openjdk.jmh.annotations.Warmup(iterations = 20, time = 1)
      org.openjdk.jmh.annotations.Measurement(iterations = 10, time = 1)
      org.openjdk.jmh.annotations.Fork(value = 1)