https://www.graalvm.org/ 
class com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl
  super_class: java.lang.Object
{
  final com.oracle.truffle.polyglot.PolyglotEngineImpl engine;
    descriptor: Lcom/oracle/truffle/polyglot/PolyglotEngineImpl;
    flags: (0x0010) ACC_FINAL

  final java.util.function.Consumer<org.graalvm.polyglot.management.ExecutionEvent> onEnter;
    descriptor: Ljava/util/function/Consumer;
    flags: (0x0010) ACC_FINAL
    Signature: Ljava/util/function/Consumer<Lorg/graalvm/polyglot/management/ExecutionEvent;>;

  final java.util.function.Consumer<org.graalvm.polyglot.management.ExecutionEvent> onReturn;
    descriptor: Ljava/util/function/Consumer;
    flags: (0x0010) ACC_FINAL
    Signature: Ljava/util/function/Consumer<Lorg/graalvm/polyglot/management/ExecutionEvent;>;

  final org.graalvm.polyglot.impl.AbstractPolyglotImpl$ManagementAccess management;
    descriptor: Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$ManagementAccess;
    flags: (0x0010) ACC_FINAL

  final boolean collectInputValues;
    descriptor: Z
    flags: (0x0010) ACC_FINAL

  final boolean collectReturnValues;
    descriptor: Z
    flags: (0x0010) ACC_FINAL

  final boolean collectExceptions;
    descriptor: Z
    flags: (0x0010) ACC_FINAL

  volatile com.oracle.truffle.api.instrumentation.EventBinding<?> binding;
    descriptor: Lcom/oracle/truffle/api/instrumentation/EventBinding;
    flags: (0x0040) ACC_VOLATILE
    Signature: Lcom/oracle/truffle/api/instrumentation/EventBinding<*>;

  volatile boolean closing;
    descriptor: Z
    flags: (0x0040) ACC_VOLATILE

  void <init>(com.oracle.truffle.polyglot.PolyglotEngineImpl, java.util.function.Consumer<org.graalvm.polyglot.management.ExecutionEvent>, java.util.function.Consumer<org.graalvm.polyglot.management.ExecutionEvent>, boolean, boolean, );
    descriptor: (Lcom/oracle/truffle/polyglot/PolyglotEngineImpl;Ljava/util/function/Consumer;Ljava/util/function/Consumer;ZZZ)V
    flags: (0x0000) 
    Code:
      stack=2, locals=7, args_size=7
        start local 0 // com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl this
        start local 1 // com.oracle.truffle.polyglot.PolyglotEngineImpl engine
        start local 2 // java.util.function.Consumer onEnter
        start local 3 // java.util.function.Consumer onReturn
        start local 4 // boolean collectInputValues
        start local 5 // boolean collectReturnValues
        start local 6 // boolean collectExceptions
         0: .line 273
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 278
            aload 0 /* this */
            aload 1 /* engine */
            putfield com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl.engine:Lcom/oracle/truffle/polyglot/PolyglotEngineImpl;
         2: .line 279
            aload 0 /* this */
            aload 2 /* onEnter */
            putfield com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl.onEnter:Ljava/util/function/Consumer;
         3: .line 280
            aload 0 /* this */
            aload 3 /* onReturn */
            putfield com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl.onReturn:Ljava/util/function/Consumer;
         4: .line 282
            aload 0 /* this */
            aload 1 /* engine */
            getfield com.oracle.truffle.polyglot.PolyglotEngineImpl.impl:Lcom/oracle/truffle/polyglot/PolyglotImpl;
            invokevirtual com.oracle.truffle.polyglot.PolyglotImpl.getManagement:()Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$ManagementAccess;
            putfield com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl.management:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$ManagementAccess;
         5: .line 283
            aload 0 /* this */
            iload 4 /* collectInputValues */
            putfield com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl.collectInputValues:Z
         6: .line 284
            aload 0 /* this */
            iload 5 /* collectReturnValues */
            putfield com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl.collectReturnValues:Z
         7: .line 285
            aload 0 /* this */
            iload 6 /* collectExceptions */
            putfield com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl.collectExceptions:Z
         8: .line 286
            return
        end local 6 // boolean collectExceptions
        end local 5 // boolean collectReturnValues
        end local 4 // boolean collectInputValues
        end local 3 // java.util.function.Consumer onReturn
        end local 2 // java.util.function.Consumer onEnter
        end local 1 // com.oracle.truffle.polyglot.PolyglotEngineImpl engine
        end local 0 // com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    9     0                 this  Lcom/oracle/truffle/polyglot/PolyglotManagement$ListenerImpl;
            0    9     1               engine  Lcom/oracle/truffle/polyglot/PolyglotEngineImpl;
            0    9     2              onEnter  Ljava/util/function/Consumer<Lorg/graalvm/polyglot/management/ExecutionEvent;>;
            0    9     3             onReturn  Ljava/util/function/Consumer<Lorg/graalvm/polyglot/management/ExecutionEvent;>;
            0    9     4   collectInputValues  Z
            0    9     5  collectReturnValues  Z
            0    9     6    collectExceptions  Z
    Signature: (Lcom/oracle/truffle/polyglot/PolyglotEngineImpl;Ljava/util/function/Consumer<Lorg/graalvm/polyglot/management/ExecutionEvent;>;Ljava/util/function/Consumer<Lorg/graalvm/polyglot/management/ExecutionEvent;>;ZZZ)V
    MethodParameters:
                     Name  Flags
      engine               
      onEnter              
      onReturn             
      collectInputValues   
      collectReturnValues  
      collectExceptions    
}
SourceFile: "PolyglotManagement.java"
NestHost: com.oracle.truffle.polyglot.PolyglotManagement
InnerClasses:
  ListenerImpl = com.oracle.truffle.polyglot.PolyglotManagement$ListenerImpl of com.oracle.truffle.polyglot.PolyglotManagement
  public abstract ManagementAccess = org.graalvm.polyglot.impl.AbstractPolyglotImpl$ManagementAccess of org.graalvm.polyglot.impl.AbstractPolyglotImpl