| diagram |  | 
				
					| namespace | http://www.opengis.net/gml | 
				
					| type | gml:QuantityExtentType | 
				
					| properties |  | 
				
					| used by |  | 
				
					| facets | | Kind | Value | annotation |  | length | 2 |  | 
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					| attributes | | Name | Type | Use | Default | Fixed | annotation |  | uom | xs:anyURI | required |  |  |  | 
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					| annotation | | documentation |  | Utility element to store a 2-point range of numeric values. If one member is a null, then this is a single ended interval. | 
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					| source | <xs:element name="QuantityExtent" type="gml:QuantityExtentType"> <xs:annotation>
 <xs:documentation>Utility element to store a 2-point range of numeric values. If one member is a null, then this is a single ended interval.</xs:documentation>
 </xs:annotation>
 </xs:element>
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