https://openjdk.java.net/ 
interface jdk.tools.jimage.JImageTask$JImageAction
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: jdk.tools.jimage.JImageTask$JImageAction
  super_class: java.lang.Object
{
  public abstract void apply(java.io.File, jdk.internal.jimage.BasicImageReader);
    descriptor: (Ljava/io/File;Ljdk/internal/jimage/BasicImageReader;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException, jdk.tools.jlink.internal.TaskHelper$BadArgs
    MethodParameters:
        Name  Flags
      file    
      reader  
}
SourceFile: "JImageTask.java"
NestHost: jdk.tools.jimage.JImageTask
InnerClasses:
  private abstract JImageAction = jdk.tools.jimage.JImageTask$JImageAction of jdk.tools.jimage.JImageTask
  public final BadArgs = jdk.tools.jlink.internal.TaskHelper$BadArgs of jdk.tools.jlink.internal.TaskHelper