Blend mode defines how the node will be blended with the background.
@:enum@:native("BLEND_ADD")staticread onlyAdd:GuiBlendMode
@:enum@:native("BLEND_ADD_ALPHA")staticread onlyAddAlpha:GuiBlendMode
@:enum@:native("BLEND_ALPHA")staticread onlyAlpha:GuiBlendMode
@:enum@:native("BLEND_SCREEN")staticread onlyBlendScreen:GuiBlendMode
@:enum@:native("BLEND_MULT")staticread onlyMult:GuiBlendMode