https://www.graalvm.org/ 
public class com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 extends com.oracle.truffle.api.nodes.Node
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1
  super_class: com.oracle.truffle.api.nodes.Node
{
  private java.lang.String result;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 this
        start local 1 // java.lang.String result
         0: .line 64
            aload 0 /* this */
            invokespecial com.oracle.truffle.api.nodes.Node.<init>:()V
         1: .line 65
            aload 0 /* this */
            aload 1 /* result */
            putfield com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1.result:Ljava/lang/String;
         2: .line 66
            return
        end local 1 // java.lang.String result
        end local 0 // com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lcom/oracle/truffle/api/dsl/test/CachedNodeTest$ValidNode1;
            0    3     1  result  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      result  

  java.lang.String execute(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/String;
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 this
        start local 1 // java.lang.Object arg0
         0: .line 69
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1.result:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* arg0 */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.Object arg0
        end local 0 // com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/dsl/test/CachedNodeTest$ValidNode1;
            0    1     1  arg0  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      arg0  

  public static com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 create();
    descriptor: ()Lcom/oracle/truffle/api/dsl/test/CachedNodeTest$ValidNode1;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 73
            new com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1
            dup
            ldc "cached "
            invokespecial com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1.<init>:(Ljava/lang/String;)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 getUncached();
    descriptor: ()Lcom/oracle/truffle/api/dsl/test/CachedNodeTest$ValidNode1;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 77
            new com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1
            dup
            ldc "uncached "
            invokespecial com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1.<init>:(Ljava/lang/String;)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "CachedNodeTest.java"
NestHost: com.oracle.truffle.api.dsl.test.CachedNodeTest
InnerClasses:
  public ValidNode1 = com.oracle.truffle.api.dsl.test.CachedNodeTest$ValidNode1 of com.oracle.truffle.api.dsl.test.CachedNodeTest