@exportSymbol ol.Collection
@exportProperty ol.Collection.prototype.clear
@exportProperty ol.Collection.prototype.forEach
@exportProperty ol.Collection.prototype.getArray
@exportProperty ol.Collection.prototype.getAt
@exportProperty ol.Collection.prototype.getLength
@exportProperty ol.Collection.prototype.insertAt
@exportProperty ol.Collection.prototype.pop
@exportProperty ol.Collection.prototype.push
@exportProperty ol.Collection.prototype.removeAt
@exportProperty ol.Collection.prototype.setAt