https://openjdk.java.net/ 
public interface sun.awt.AWTAccessor$AccessibleBundleAccessor
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.awt.AWTAccessor$AccessibleBundleAccessor
  super_class: java.lang.Object
{
  public abstract java.lang.String getKey(javax.accessibility.AccessibleBundle);
    descriptor: (Ljavax/accessibility/AccessibleBundle;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                  Name  Flags
      accessibleBundle  
}
SourceFile: "AWTAccessor.java"
NestHost: sun.awt.AWTAccessor
InnerClasses:
  public abstract AccessibleBundleAccessor = sun.awt.AWTAccessor$AccessibleBundleAccessor of sun.awt.AWTAccessor