https://www.graalvm.org/ 
abstract class com.oracle.truffle.api.dsl.test.NoTypeSystemTest$ErrorAdditionalNodeChild1 extends com.oracle.truffle.api.nodes.Node
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.api.dsl.test.NoTypeSystemTest$ErrorAdditionalNodeChild1
  super_class: com.oracle.truffle.api.nodes.Node
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.dsl.test.NoTypeSystemTest$ErrorAdditionalNodeChild1 this
         0: .line 324
            aload 0 /* this */
            invokespecial com.oracle.truffle.api.nodes.Node.<init>:()V
            return
        end local 0 // com.oracle.truffle.api.dsl.test.NoTypeSystemTest$ErrorAdditionalNodeChild1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/dsl/test/NoTypeSystemTest$ErrorAdditionalNodeChild1;

  abstract int execute(int);
    descriptor: (I)I
    flags: (0x0400) ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      arg0  

  int s1(int);
    descriptor: (I)I
    flags: (0x0000) 
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.dsl.test.NoTypeSystemTest$ErrorAdditionalNodeChild1 this
        start local 1 // int arg0
         0: .line 330
            iload 1 /* arg0 */
            ireturn
        end local 1 // int arg0
        end local 0 // com.oracle.truffle.api.dsl.test.NoTypeSystemTest$ErrorAdditionalNodeChild1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/dsl/test/NoTypeSystemTest$ErrorAdditionalNodeChild1;
            0    1     1  arg0  I
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization()
    MethodParameters:
      Name  Flags
      arg0  
}
SourceFile: "NoTypeSystemTest.java"
NestHost: com.oracle.truffle.api.dsl.test.NoTypeSystemTest
InnerClasses:
  abstract ErrorAdditionalNodeChild1 = com.oracle.truffle.api.dsl.test.NoTypeSystemTest$ErrorAdditionalNodeChild1 of com.oracle.truffle.api.dsl.test.NoTypeSystemTest
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.test.ExpectError(value = {"Unnecessary @NodeChild declaration. All evaluated child values are provided as parameters in execute methods."})
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.dsl.NodeChild(type = Lcom/oracle/truffle/api/dsl/test/NoTypeSystemTest$DummyChild;)