https://openjdk.java.net/projects/openjfx/javafx-graphics/: OpenJFX JavaFX
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public interface com.sun.prism.ReadbackGraphics extends com.sun.prism.Graphics
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.prism.ReadbackGraphics
  super_class: java.lang.Object
{
  public abstract boolean canReadBack();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract com.sun.prism.RTTexture readBack(com.sun.javafx.geom.Rectangle);
    descriptor: (Lcom/sun/javafx/geom/Rectangle;)Lcom/sun/prism/RTTexture;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      view  

  public abstract void releaseReadBackBuffer(com.sun.prism.RTTexture);
    descriptor: (Lcom/sun/prism/RTTexture;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      view  
}
SourceFile: "ReadbackGraphics.java"