/usr/include/osgEarthDrivers/xyz/XYZOptions is in libosgearth-dev 2.4.0+dfsg-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2013 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
#ifndef OSGEARTH_DRIVER_XYZ_OPTIONS
#define OSGEARTH_DRIVER_XYZ_OPTIONS 1
#include <osgEarth/Common>
#include <osgEarth/TileSource>
#include <osgEarth/URI>
namespace osgEarth { namespace Drivers
{
    using namespace osgEarth;
    class XYZOptions : public TileSourceOptions // NO EXPORT; header only
    {
    public:
        optional<URI>& url() { return _url; }
        const optional<URI>& url() const { return _url; }
        optional<bool>& invertY() { return _invertY; }
        const optional<bool>& invertY() const { return _invertY; }
        optional<std::string>& format() { return _format; }
        const optional<std::string>& format() const { return _format; }
    public:
        XYZOptions( const TileSourceOptions& opt =TileSourceOptions() ) : TileSourceOptions( opt )
        {
            setDriver( "xyz" );
            fromConfig( _conf );
        }
        XYZOptions( const std::string& inUrl ) : TileSourceOptions()
        {
            setDriver( "xyz" );
            fromConfig( _conf );
            url() = inUrl;
        }
        virtual ~XYZOptions() { }
    public:
        Config getConfig() const {
            Config conf = TileSourceOptions::getConfig();
            conf.updateIfSet("url", _url);
            conf.updateIfSet("format", _format);
            conf.updateIfSet("invert_y", _invertY);
            return conf;
        }
    protected:
        void mergeConfig( const Config& conf ) {
            TileSourceOptions::mergeConfig( conf );
            fromConfig( conf );
        }
    private:
        void fromConfig( const Config& conf ) {
            conf.getIfSet( "url", _url );
            conf.getIfSet( "format", _format );
            conf.getIfSet( "invert_y", _invertY );
        }
        optional<URI>         _url;
        optional<std::string> _format;
        optional<bool>        _invertY;
    };
} } // namespace osgEarth::Drivers
#endif // OSGEARTH_DRIVER_XYZ_OPTIONS
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