mirror of
https://github.com/qgis/QGIS.git
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181 lines
7.3 KiB
XML
181 lines
7.3 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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###############################################################################
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#
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# Copyright (C) 2017 Tom Kralidis (tomkralidis@gmail.com)
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# Copyright (C) 2017 Angelos Tzotsos (gcpp.kalxas@gmail.com)
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#
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# This source is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 2 of the License, or (at your option)
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# any later version.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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###############################################################################
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-->
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:rm="http://qgis.org/resource-metadata/1.0" targetNamespace="http://qgis.org/resource-metadata/1.0" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.0">
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<xs:include schemaLocation="qgis-base-metadata.xsd"/>
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<xs:element name="ResourceMetadata" type="rm:ResourceMetadataType" base="rm:BaseMetadataType">
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<xs:annotation>
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<xs:appinfo>QGIS Resource Metadata Schema</xs:appinfo>
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<xs:documentation>Copyright (C) 2017 Tom Kralidis (tomkralidis@gmail.com)</xs:documentation>
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<xs:documentation>Copyright (C) 2017 Angelos Tzotsos (gcpp.kalxas@gmail.com)</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:complexType name="ResourceMetadataType">
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<xs:sequence>
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<xs:element name="fees" type="xs:string" minOccurs="0">
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<xs:annotation>
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<xs:documentation>Any fees associated with a given resource.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="constraints" type="rm:constraintsType" minOccurs="0" maxOccurs="unbounded">
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<xs:annotation>
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<xs:documentation>List of constraints associated with a given resource.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="rights" type="xs:string" minOccurs="0" maxOccurs="unbounded">
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<xs:annotation>
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<xs:documentation>Attribution or copyright associated with a given resource.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="license" type="xs:string" minOccurs="1" maxOccurs="unbounded">
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<xs:annotation>
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<xs:documentation>License associated with a given resource (examples: http://opendefinition.org/licenses/).</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="encoding" type="xs:string" minOccurs="0">
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<xs:annotation>
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<xs:documentation>Character encoding of the data of a given resource.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="crs" type="xs:string">
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<xs:annotation>
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<xs:documentation>Coordinate reference system associated with the data of a given resource. Examples:
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* EPSG:EPSGCODE
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* http://www.opengis.net/def/crs/EPSG/0/EPSGCODE (URI Style 1)
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* http://www.opengis.net/gml/srs/epsg.xml#EPSGCODE (URI Style 2)
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* urn:EPSG:geographicCRS:EPSGCODE
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* urn:ogc:def:crs:EPSG::EPSGCODE
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* urn:ogc:def:crs:EPSG:EPSGCODE
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</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="extent" type="rm:extentType" maxOccurs="1">
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<xs:annotation>
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<xs:documentation>Spatial and temporal extents associated with a given resource.</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:sequence>
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<xs:attribute name="version" use="required" fixed="1.0">
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<xs:annotation>
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<xs:documentation>Version of QGIS Resource Metadata schema used. </xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:complexType>
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<xs:complexType name="constraintsType">
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attribute name="type" type="xs:string">
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<xs:annotation>
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<xs:documentation>Type of constraint. Suggested types are 'access', 'other'.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:complexType name="extentType">
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<xs:sequence>
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<xs:element name="spatial" type="rm:spatialType" maxOccurs="unbounded">
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<xs:annotation>
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<xs:documentation>Geospatial Extent of a given resource.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="temporal" type="rm:temporalType" minOccurs="0" maxOccurs="unbounded">
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<xs:annotation>
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<xs:documentation>Temporal extent associated with a given resource. It is advised to use ISO 8601 for consistency.</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:sequence>
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</xs:complexType>
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<xs:complexType name="spatialType">
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<xs:attribute name="dimensions" type="xs:integer" default="2"/>
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<xs:attribute name="crs" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>Coordinate reference system.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="minx" type="xs:decimal" use="required">
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<xs:annotation>
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<xs:documentation>Minimum x value according to crs.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="miny" type="xs:decimal" use="required">
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<xs:annotation>
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<xs:documentation>Minimum y value according to crs.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="minz" type="xs:decimal" use="optional">
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<xs:annotation>
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<xs:documentation>Minimum z value according to crs.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="maxx" type="xs:decimal" use="required">
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<xs:annotation>
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<xs:documentation>Maximum x value according to crs.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="maxy" type="xs:decimal" use="required">
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<xs:annotation>
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<xs:documentation>Maximum y value according to crs.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="maxz" type="xs:decimal" use="optional">
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<xs:annotation>
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<xs:documentation>Maximum z value according to crs.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:complexType>
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<xs:complexType name="temporalType">
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<xs:choice>
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<xs:element name="instant" type="xs:dateTime">
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<xs:annotation>
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<xs:documentation>Single point in time.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="period" type="rm:periodType">
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<xs:annotation>
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<xs:documentation>Time period or envelope.</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:choice>
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</xs:complexType>
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<xs:complexType name="periodType">
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<xs:sequence>
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<xs:element name="start" type="xs:dateTime">
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<xs:annotation>
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<xs:documentation>Begin date/time.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="end" type="xs:dateTime" minOccurs="0">
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<xs:annotation>
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<xs:documentation>End date/time.</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:sequence>
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<xs:attribute name="indeterminatePosition" type="xs:boolean">
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<xs:annotation>
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<xs:documentation>Whether resource has no end date/time (i.e. continuous acquisition).</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:complexType>
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</xs:schema>
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