https://www.graalvm.org/ 
abstract class com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNodeWrapper implements com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNodeWrapper
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNodeWrapper this
         0: .line 519
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNodeWrapper this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/instrumentation/InstrumentableNodeSnippets$StatementNodeWrapper;

  static com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNodeWrapper create(com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNode, com.oracle.truffle.api.instrumentation.ProbeNode);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/InstrumentableNodeSnippets$StatementNode;Lcom/oracle/truffle/api/instrumentation/ProbeNode;)Lcom/oracle/truffle/api/instrumentation/InstrumentableNodeSnippets$StatementNodeWrapper;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNode statementNode
        start local 1 // com.oracle.truffle.api.instrumentation.ProbeNode probe
         0: .line 524
            aconst_null
            areturn
        end local 1 // com.oracle.truffle.api.instrumentation.ProbeNode probe
        end local 0 // com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNode statementNode
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    1     0  statementNode  Lcom/oracle/truffle/api/instrumentation/InstrumentableNodeSnippets$StatementNode;
            0    1     1          probe  Lcom/oracle/truffle/api/instrumentation/ProbeNode;
    MethodParameters:
               Name  Flags
      statementNode  
      probe          
}
SourceFile: "InstrumentableNode.java"
NestHost: com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets
InnerClasses:
  public abstract WrapperNode = com.oracle.truffle.api.instrumentation.InstrumentableNode$WrapperNode of com.oracle.truffle.api.instrumentation.InstrumentableNode
  abstract StatementNode = com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNode of com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets
  abstract StatementNodeWrapper = com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets$StatementNodeWrapper of com.oracle.truffle.api.instrumentation.InstrumentableNodeSnippets