https://www.graalvm.org/ 
public interface com.oracle.js.parser.Lexer$LineInfoReceiver
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.js.parser.Lexer$LineInfoReceiver
  super_class: java.lang.Object
{
  public abstract void lineInfo(int, int);
    descriptor: (II)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
              Name  Flags
      line          
      linePosition  
}
SourceFile: "Lexer.java"
NestHost: com.oracle.js.parser.Lexer
InnerClasses:
  protected abstract LineInfoReceiver = com.oracle.js.parser.Lexer$LineInfoReceiver of com.oracle.js.parser.Lexer