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<?xml version="1.0" encoding="UTF-8"?>
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<schema targetNamespace="http://www.opengis.net/gml" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:gml="http://www.opengis.net/gml" elementFormDefault="qualified" version="3.1.1.2">
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<annotation>
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<appinfo source="urn:opengis:specification:gml:schema-xsd:feature:v3.1.1"/>
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<documentation>GML Feature schema.
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GML is an OGC Standard.
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Copyright (c) 2001,2005,2010 Open Geospatial Consortium.
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To obtain additional rights of use, visit http://www.opengeospatial.org/legal/ .
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</documentation>
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</annotation>
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<!-- ============================================================== -->
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<!-- ================== includes and imports ======================= -->
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<!-- ============================================================== -->
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<include schemaLocation="gml.xsd"/>
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<include schemaLocation="geometryBasic2d.xsd"/>
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<include schemaLocation="temporal.xsd"/>
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<!-- ============================================================== -->
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<element name="_Feature" type="gml:AbstractFeatureType" abstract="true" substitutionGroup="gml:_GML"/>
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<!-- =========================================================== -->
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<complexType name="AbstractFeatureType" abstract="true">
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<annotation>
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<documentation>An abstract feature provides a set of common properties, including id, metaDataProperty, name and description inherited from AbstractGMLType, plus boundedBy. A concrete feature type must derive from this type and specify additional properties in an application schema. A feature must possess an identifying attribute ('id' - 'fid' has been deprecated).</documentation>
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</annotation>
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<complexContent>
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<extension base="gml:AbstractGMLType">
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<sequence>
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<element ref="gml:boundedBy" minOccurs="0"/>
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<element ref="gml:location" minOccurs="0">
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<annotation>
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<appinfo>deprecated</appinfo>
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<documentation>deprecated in GML version 3.1</documentation>
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</annotation>
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</element>
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<!-- additional properties must be specified in an application schema -->
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</sequence>
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</extension>
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</complexContent>
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</complexType>
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<!-- ============================================================== -->
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<!-- =========================================================== -->
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<element name="boundedBy" type="gml:BoundingShapeType"/>
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<!-- ====================================================================== -->
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<complexType name="BoundingShapeType">
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<annotation>
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<documentation>Bounding shape.</documentation>
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</annotation>
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<sequence>
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<choice>
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<element ref="gml:Envelope"/>
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<element ref="gml:Null"/>
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</choice>
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</sequence>
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</complexType>
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<!-- =========================================================== -->
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<element name="EnvelopeWithTimePeriod" type="gml:EnvelopeWithTimePeriodType" substitutionGroup="gml:Envelope"/>
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<!-- ====================================================================== -->
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<complexType name="EnvelopeWithTimePeriodType">
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<annotation>
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<documentation>Envelope that includes also a temporal extent.</documentation>
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</annotation>
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<complexContent>
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<extension base="gml:EnvelopeType">
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<sequence>
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<element ref="gml:timePosition" minOccurs="2" maxOccurs="2"/>
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</sequence>
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<attribute name="frame" type="anyURI" use="optional" default="#ISO-8601"/>
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</extension>
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</complexContent>
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</complexType>
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<!-- ====================================================================== -->
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<!-- ===== property for feature association ==== -->
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<element name="featureMember" type="gml:FeaturePropertyType"/>
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<element name="featureProperty" type="gml:FeaturePropertyType"/>
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<!-- ============================================================== -->
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<complexType name="FeaturePropertyType">
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<annotation>
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<documentation>Container for a feature - follow gml:AssociationType pattern.</documentation>
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</annotation>
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<sequence minOccurs="0">
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<element ref="gml:_Feature"/>
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</sequence>
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<attributeGroup ref="gml:AssociationAttributeGroup"/>
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</complexType>
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<!-- ============================================================== -->
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<!-- ===== property for association of an array of features ===== -->
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<element name="featureMembers" type="gml:FeatureArrayPropertyType"/>
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<!-- =========================================================== -->
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<complexType name="FeatureArrayPropertyType">
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<annotation>
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<documentation>Container for features - follow gml:ArrayAssociationType pattern.</documentation>
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</annotation>
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<sequence>
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<element ref="gml:_Feature" minOccurs="0" maxOccurs="unbounded"/>
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</sequence>
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</complexType>
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<!-- ============================================================== -->
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<!-- =========================================================== -->
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<element name="_FeatureCollection" type="gml:AbstractFeatureCollectionType" abstract="true" substitutionGroup="gml:_Feature"/>
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<!-- =========================================================== -->
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<complexType name="AbstractFeatureCollectionType" abstract="true">
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<annotation>
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<documentation>A feature collection contains zero or more features.</documentation>
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</annotation>
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<complexContent>
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<extension base="gml:AbstractFeatureType">
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<sequence>
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<element ref="gml:featureMember" minOccurs="0" maxOccurs="unbounded"/>
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<element ref="gml:featureMembers" minOccurs="0"/>
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</sequence>
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</extension>
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</complexContent>
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</complexType>
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<!-- =========================================================== -->
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<element name="FeatureCollection" type="gml:FeatureCollectionType" substitutionGroup="gml:_Feature"/>
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<!-- =========================================================== -->
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<complexType name="FeatureCollectionType">
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<annotation>
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<documentation>Concrete generic feature collection.</documentation>
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</annotation>
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<complexContent>
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<extension base="gml:AbstractFeatureCollectionType"/>
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</complexContent>
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</complexType>
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<!-- ============================================================== -->
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<!-- ============================================================== -->
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<element name="LocationKeyWord" type="gml:CodeType"/>
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<element name="LocationString" type="gml:StringOrRefType"/>
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<!-- =========================================================== -->
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<!-- ============= common aliases for geometry properties =============== -->
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<element name="centerOf" type="gml:PointPropertyType"/>
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<element name="position" type="gml:PointPropertyType"/>
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<element name="edgeOf" type="gml:CurvePropertyType"/>
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<element name="centerLineOf" type="gml:CurvePropertyType"/>
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<element name="extentOf" type="gml:SurfacePropertyType"/>
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<!-- =========================================================== -->
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<!-- ================= deprecated components =========================== -->
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<complexType name="BoundedFeatureType" abstract="true">
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<annotation>
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<documentation>Makes boundedBy mandatory</documentation>
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</annotation>
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<complexContent>
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<restriction base="gml:AbstractFeatureType">
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<sequence>
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<group ref="gml:StandardObjectProperties"/>
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<element ref="gml:boundedBy"/>
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<element ref="gml:location" minOccurs="0">
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<annotation>
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<appinfo>deprecated</appinfo>
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<documentation>deprecated in GML version 3.1</documentation>
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</annotation>
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</element>
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</sequence>
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</restriction>
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</complexContent>
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</complexType>
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<!-- =========================================================== -->
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<element name="location" type="gml:LocationPropertyType">
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<annotation>
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<documentation>Deprecated in GML 3.1.0</documentation>
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</annotation>
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</element>
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<!-- ============================================================== -->
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<complexType name="LocationPropertyType">
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<annotation>
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<documentation>Convenience property for generalised location.
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A representative location for plotting or analysis.
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Often augmented by one or more additional geometry properties with more specific semantics.</documentation>
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<documentation>Deprecated in GML 3.1.0</documentation>
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</annotation>
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<sequence minOccurs="0">
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<choice>
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<element ref="gml:_Geometry"/>
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<element ref="gml:LocationKeyWord"/>
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<element ref="gml:LocationString"/>
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<element ref="gml:Null"/>
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</choice>
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</sequence>
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<attributeGroup ref="gml:AssociationAttributeGroup"/>
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</complexType>
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<!-- ============================================================== -->
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<element name="priorityLocation" type="gml:PriorityLocationPropertyType" substitutionGroup="gml:location">
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<annotation>
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<documentation>Deprecated in GML 3.1.0</documentation>
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</annotation>
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</element>
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<!-- ============================================================== -->
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<complexType name="PriorityLocationPropertyType">
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<annotation>
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<documentation>G-XML component</documentation>
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<documentation>Deprecated in GML 3.1.0</documentation>
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</annotation>
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<complexContent>
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<extension base="gml:LocationPropertyType">
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<attribute name="priority" type="string" use="optional"/>
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</extension>
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</complexContent>
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</complexType>
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<!-- ============================================================== -->
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</schema>
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