<complexType name="BagType">
    <annotation>
        <documentation>A non-abstract generic collection type that can be used as a document element for a collection of any GML types - Geometries, Topologies, Features ...



FeatureCollections may only contain Features.  GeometryCollections may only contain Geometrys.  Bags are less constrained  they must contain objects that are substitutable for gml:_Object.  This may mix several levels, including Features, Definitions, Dictionaries, Geometries etc.  



The content model would ideally be 

   member 0..*

   members 0..1

   member 0..*

for maximum flexibility in building a collection from both homogeneous and distinct components: 

included "member" elements each contain a single Object

an included "members" element contains a set of Objects 



However, this is non-deterministic, thus prohibited by XSD.</documentation>
    </annotation>
    <complexContent>
        <extension base="gml:AbstractGMLType">
            <sequence>
                <element ref="gml:member" minOccurs="0" maxOccurs="unbounded" />
                <element ref="gml:members" minOccurs="0" />
            </sequence>
        </extension>
    </complexContent>
</complexType>

• gml:AbstractGMLType
  • BagType
  • gml:Bag