https://source.android.com/ 
interface android.widget.SmartSelectSprite$RectangleList$DisplayType extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2600) ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: android.widget.SmartSelectSprite$RectangleList$DisplayType
  super_class: java.lang.Object
{
  public static final int RECTANGLES;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  public static final int POLYGON;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 1
}
SourceFile: "SmartSelectSprite.java"
NestHost: android.widget.SmartSelectSprite
InnerClasses:
  private final RectangleList = android.widget.SmartSelectSprite$RectangleList of android.widget.SmartSelectSprite
  private abstract DisplayType = android.widget.SmartSelectSprite$RectangleList$DisplayType of android.widget.SmartSelectSprite$RectangleList
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.SOURCE:Ljava/lang/annotation/RetentionPolicy;)