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/*
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* Layer definitions for CdmOpenLayers (openlayers_map.js)
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*/
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(function() {
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window.CdmOpenLayers.getLayerByName = function(layerName){
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switch(layerName){
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case 'metacarta_vmap0':
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/**
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* NOTE: labs.metacarta.com is currently unavailable
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*
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* Available Projections:
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* EPSG:900913
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* EPSG:4326
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*/
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return new OpenLayers.Layer.WMS(
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"Metacarta Vmap0",
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"http://labs.metacarta.com/wms/vmap0",
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{layers: "basic", format:"png"},
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{
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maxExtent: window.CdmOpenLayers.mapExtends.epsg_4326,
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projection: window.CdmOpenLayers.projections.epsg_4326,
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isBaseLayer: true,
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displayInLayerSwitcher: true
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}
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);
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case 'osgeo_vmap0':
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/**
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* Available Projections:
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* EPSG:4269
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EPSG:4326
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EPSG:900913
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*/
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return new OpenLayers.Layer.WMS(
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"OSGEO Vmap0",
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"http://vmap0.tiles.osgeo.org/wms/vmap0",
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{layers: 'basic', format:"png"},
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{
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maxExtent: window.CdmOpenLayers.mapExtends.epsg_4326,
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projection: new OpenLayers.Projection("EPSG:4326"),
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isBaseLayer: true,
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displayInLayerSwitcher: true
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}
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);
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/**
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* TODO unused, can be deleted?
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*/
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case 'edit-etopo1':
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return new OpenLayers.Layer.WMS(
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"ETOPO1 Global Relief Model",
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"http://edit.br.fgov.be:8080/geoserver/wms",
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{layers: 'topp:color_etopo1_ice_full', format:"image/png"},
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{
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maxExtent: window.CdmOpenLayers.mapExtends.epsg_4326,
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projection: new OpenLayers.Projection("EPSG:4326"),
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isBaseLayer: true,
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displayInLayerSwitcher: true
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}
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);
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/**
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* TODO unused, can be deleted?
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*/
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case 'edit-vmap0_world_basic':
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return new OpenLayers.Layer.WMS(
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"EDIT Vmap0",
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"http://edit.br.fgov.be:8080/geoserver/wms",
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{layers: 'vmap0_world_basic', format:"image/png"},
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{
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maxExtent: window.CdmOpenLayers.mapExtends.epsg_900913,
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isBaseLayer: true,
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displayInLayerSwitcher: true
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}
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);
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/*
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* OSM Layers:
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*
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* minZoomLevel is not supported for XYZ layers, of which OSM is a subclass.
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* http://trac.osgeo.org/openlayers/ticket/2909
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* http://trac.osgeo.org/openlayers/ticket/2189
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* solution in OL 2.12
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*
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* see also http://stackoverflow.com/questions/4240610/min-max-zoom-level-in-openlayers
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* and http://trac.osgeo.org/openlayers/wiki/SettingZoomLevels
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*
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* To allow OSM baselayers to zoom out to the full extend of the world the map width must be
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* multiple of 256px since the osm tiles from tile.openstreetmap.org have a size of 256px x 256px
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* and fractional tiles are not supported by XYZ layers like OSM
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*/
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case 'mapnik':
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return new OpenLayers.Layer.OSM();
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case 'mapquest_open':
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// see http://developer.mapquest.com/web/products/open/map
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return new OpenLayers.Layer.XYZ(
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"MapQuest",
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[
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"http://otile1.mqcdn.com/tiles/1.0.0/map/${z}/${x}/${y}.png",
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"http://otile2.mqcdn.com/tiles/1.0.0/map/${z}/${x}/${y}.png",
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"http://otile3.mqcdn.com/tiles/1.0.0/map/${z}/${x}/${y}.png",
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"http://otile4.mqcdn.com/tiles/1.0.0/map/${z}/${x}/${y}.png"
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],
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{
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// If using the MapQuest-OSM tiles, OpenStreetMap must be given credit for the data
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attribution: "Data, imagery and map information provided by <a href='http://www.mapquest.com/' target='_blank'>MapQuest</a>, <a href='http://www.openstreetmap.org/' target='_blank'>Open Street Map</a> and contributors, <a href='http://creativecommons.org/licenses/by-sa/2.0/' target='_blank'>CC-BY-SA</a> <img src='http://developer.mapquest.com/content/osm/mq_logo.png' border='0'>",
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transitionEffect: "resize"
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}
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);
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case 'mapquest_sat':
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// see http://developer.mapquest.com/web/products/open/map
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return new OpenLayers.Layer.XYZ(
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"MapQuest Sattelite",
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[
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"http://otile1.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.png",
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"http://otile2.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.png",
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"http://otile3.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.png",
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"http://otile4.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.png"
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],
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{
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// If using the MapQuest-OSM tiles, OpenStreetMap must be given credit for the data
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attribution: "Data, imagery and map information provided by <a href='http://www.mapquest.com/' target='_blank'>MapQuest</a>, <a href='http://www.openstreetmap.org/' target='_blank'>Open Street Map</a> and contributors, <a href='http://creativecommons.org/licenses/by-sa/2.0/' target='_blank'>CC-BY-SA</a> <img src='http://developer.mapquest.com/content/osm/mq_logo.png' border='0'>",
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transitionEffect: "resize"
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}
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);
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// create Google Mercator layers
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case 'gmap':
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return new OpenLayers.Layer.Google(
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"Google Streets",
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{
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// the default type
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projection: window.CdmOpenLayers.projections.epsg_900913,
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// Allow user to pan forever east/west
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// Setting this to false only restricts panning if sphericalMercator is true.
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wrapDateLine: false,
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sphericalMercator: true,
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numZoomLevels: 21,
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}
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);
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case 'gsat':
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// FIMXE: layer distorted, use OpenLayers.Layer.Google.v3?
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return new OpenLayers.Layer.Google(
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"Google Satellite",
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{
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type: G_SATELLITE_MAP,
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projection: window.CdmOpenLayers.projections.epsg_900913,
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// Allow user to pan forever east/west
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// Setting this to false only restricts panning if sphericalMercator is true.
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wrapDateLine: false,
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numZoomLevels: 22
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}
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);
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case 'ghyb':
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// FIMXE: layer not working, use OpenLayers.Layer.Google.v3?
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return new OpenLayers.Layer.Google(
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"Google Hybrid",
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{
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type: G_HYBRID_MAP,
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projection: window.CdmOpenLayers.projections.epsg_900913,
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// Allow user to pan forever east/west
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// Setting this to false only restricts panning if sphericalMercator is true.
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wrapDateLine: false,
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numZoomLevels: 22
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}
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);
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/*
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* FIXME: apiKey needs to be specified
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case 'veroad':
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case 'bing_road':
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return new OpenLayers.Layer.Bing({
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name: "Road",
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key: apiKey,
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type: "Road"
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});
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case 'vehyb':
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case 'bing_hybrid':
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return new OpenLayers.Layer.Bing({
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name: "Hybrid",
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key: apiKey,
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type: "AerialWithLabels"
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});
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case 'veaer':
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case 'bing_arial':
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return new OpenLayers.Layer.Bing({
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name: "Aerial",
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key: apiKey,
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type: "Aerial"
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});
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*/
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}
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return null;
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};
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})();
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