org.opengis.sld
Interfaces 
ExternalGraphic
ExternalGraphicOrMark
FeatureStyle
FeatureStyleFactory
Fill
Font
Graphic
Halo
LinePlacement
LineSymbol
Mark
PointPlacement
PointSymbol
PolygonSymbol
Rule
Stroke
StyleVisitor
Symbol
SymbolVisitor
TextPlacement
TextSymbol