GraphItem
trait WrappedDocumentItem
trait WrappedPageItem
trait WrappedGridItem
trait Item
class Object
trait Matchable
class Any
class Colorbar
class Key
class Label
class Axis
class Barchart
class Boxplot
class Contours
class Covariance
class Fit
class Function
class Image
class Vectorfield
class XY
class Ellipse
class ImageFile
class LineLengthAngle
class LinePoint2Point
class Polygon
class Rectangle