goog.require('ol.Attribution');
goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.format.EsriJSON');
goog.require('ol.interaction');
goog.require('ol.interaction.Draw');
goog.require('ol.interaction.Modify');
goog.require('ol.interaction.Select');
goog.require('ol.layer.Tile');
goog.require('ol.layer.Vector');
goog.require('ol.loadingstrategy');
goog.require('ol.proj');
goog.require('ol.source.Vector');
goog.require('ol.source.XYZ');