https://www.graalvm.org/ 
class com.oracle.graal.python.builtins.Python3Core$1 extends com.oracle.truffle.api.nodes.Node
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.graal.python.builtins.Python3Core$1
  super_class: com.oracle.truffle.api.nodes.Node
{
  final com.oracle.graal.python.builtins.Python3Core this$0;
    descriptor: Lcom/oracle/graal/python/builtins/Python3Core;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final com.oracle.truffle.api.source.SourceSection val$section;
    descriptor: Lcom/oracle/truffle/api/source/SourceSection;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.oracle.graal.python.builtins.Python3Core, com.oracle.truffle.api.source.SourceSection);
    descriptor: (Lcom/oracle/graal/python/builtins/Python3Core;Lcom/oracle/truffle/api/source/SourceSection;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.graal.python.builtins.Python3Core$1 this
         0: .line 783
            aload 0 /* this */
            aload 1
            putfield com.oracle.graal.python.builtins.Python3Core$1.this$0:Lcom/oracle/graal/python/builtins/Python3Core;
            aload 0 /* this */
            aload 2
            putfield com.oracle.graal.python.builtins.Python3Core$1.val$section:Lcom/oracle/truffle/api/source/SourceSection;
            aload 0 /* this */
            invokespecial com.oracle.truffle.api.nodes.Node.<init>:()V
            return
        end local 0 // com.oracle.graal.python.builtins.Python3Core$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/graal/python/builtins/Python3Core$1;
    MethodParameters:
             Name  Flags
      this$0       final
      val$section  final

  public com.oracle.truffle.api.source.SourceSection getSourceSection();
    descriptor: ()Lcom/oracle/truffle/api/source/SourceSection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.graal.python.builtins.Python3Core$1 this
         0: .line 786
            aload 0 /* this */
            getfield com.oracle.graal.python.builtins.Python3Core$1.val$section:Lcom/oracle/truffle/api/source/SourceSection;
            areturn
        end local 0 // com.oracle.graal.python.builtins.Python3Core$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/graal/python/builtins/Python3Core$1;
}
SourceFile: "Python3Core.java"
EnclosingMethod: com.oracle.graal.python.builtins.Python3Core.raiseInvalidSyntax:(Lcom/oracle/graal/python/runtime/PythonParser$ErrorType;Lcom/oracle/truffle/api/source/Source;Lcom/oracle/truffle/api/source/SourceSection;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/RuntimeException;
NestHost: com.oracle.graal.python.builtins.Python3Core
InnerClasses:
  com.oracle.graal.python.builtins.Python3Core$1
  public final ErrorType = com.oracle.graal.python.runtime.PythonParser$ErrorType of com.oracle.graal.python.runtime.PythonParser