https://openjdk.java.net/ 
public interface jdk.internal.misc.JavaIOAccess
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: jdk.internal.misc.JavaIOAccess
  super_class: java.lang.Object
{
  public abstract java.io.Console console();
    descriptor: ()Ljava/io/Console;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.nio.charset.Charset charset();
    descriptor: ()Ljava/nio/charset/Charset;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "JavaIOAccess.java"