https://source.android.com/ 
interface android.media.ClosedCaptionWidget$ClosedCaptionLayout
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.media.ClosedCaptionWidget$ClosedCaptionLayout
  super_class: java.lang.Object
{
  public abstract void setCaptionStyle(android.view.accessibility.CaptioningManager$CaptionStyle);
    descriptor: (Landroid/view/accessibility/CaptioningManager$CaptionStyle;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
              Name  Flags
      captionStyle  

  public abstract void setFontScale(float);
    descriptor: (F)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
       Name  Flags
      scale  
}
SourceFile: "ClosedCaptionRenderer.java"
NestHost: android.media.ClosedCaptionWidget
InnerClasses:
  abstract ClosedCaptionLayout = android.media.ClosedCaptionWidget$ClosedCaptionLayout of android.media.ClosedCaptionWidget
  public final CaptionStyle = android.view.accessibility.CaptioningManager$CaptionStyle of android.view.accessibility.CaptioningManager