goog.require('ol.Coordinate');
goog.require('ol.Extent');
goog.require('ol.Map');
goog.require('ol.RendererHints');
goog.require('ol.View2D');
goog.require('ol.layer.TileLayer');
goog.require('ol.parser.ogc.WMTSCapabilities');
goog.require('ol.projection');
goog.require('ol.source.WMTS');