OutsetShadowNode  
  constructor(outline: RoundedRect, color: <Error class: unknown class>, dx: <Error class: unknown class>, dy: <Error class: unknown class>, spread: <Error class: unknown class>, blurRadius: <Error class: unknown class>)(source)
Creates a GskRenderNode that will render an outset shadow around the box given by @outline.
Return
A new GskRenderNode
Parameters
outline
outline of the region surrounded by shadow
color
color of the shadow
dx
horizontal offset of shadow
dy
vertical offset of shadow
spread
how far the shadow spreads towards the inside
blurRadius 
how much blur to apply to the shadow
constructor(gskOutsetShadowNodePointer: <Error class: unknown class><<Error class: unknown class>>)(source)