| AbstractGeometricPrimitiveTypeImpl | An implementation of the model object 'Abstract Geometric Primitive Type'. | 
| AbstractGeometryBaseTypeImpl | An implementation of the model object 'Abstract Geometry Base Type'. | 
| AbstractGeometryTypeImpl | An implementation of the model object 'Abstract Geometry Type'. | 
| AbstractGMLTypeImpl | An implementation of the model object 'Abstract GML Type'. | 
| AbstractRingTypeImpl | An implementation of the model object 'Abstract Ring Type'. | 
| AbstractSurfaceTypeImpl | An implementation of the model object 'Abstract Surface Type'. | 
| DirectPositionTypeImpl | An implementation of the model object 'Direct Position Type'. | 
| EnvelopeTypeImpl | An implementation of the model object 'Envelope Type'. | 
| GridTypeImpl | An implementation of the model object 'Grid Type'. |