https://openjdk.java.net/ 
public interface com.sun.tools.doclets.internal.toolkit.NestedClassWriter
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.tools.doclets.internal.toolkit.NestedClassWriter
  super_class: java.lang.Object
{
  public abstract void close();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
}
SourceFile: "NestedClassWriter.java"
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()