///|
priv type SurfaceHandle

///|
priv type GpuContextHandle

///|
priv type CanvasHandle

///|
priv type DataHandle

///|
priv type CodecHandle

///|
priv type ImageHandle

///|
priv type PathHandle

///|
priv type FontHandle

///|
priv type ShapedTextRunHandle

///|
priv type ParagraphHandle

///|
priv type TypefaceHandle

///|
priv type FontMgrHandle

///|
priv type ShaderHandle

///|
priv type ColorFilterHandle

///|
priv type ImageFilterHandle

///|
priv type MaskFilterHandle

///|
priv type BitmapHandle

///|
/// Opaque native Skia immutable picture handle.
priv type PictureHandle

///|
/// Opaque native Skia picture recorder handle.
priv type PictureRecorderHandle