@exportSymbol ol.geom.GeometryCollection
@exportProperty ol.geom.GeometryCollection.prototype.clone
@exportProperty ol.geom.GeometryCollection.prototype.getExtent
@exportProperty ol.geom.GeometryCollection.prototype.getGeometries
@exportProperty ol.geom.GeometryCollection.prototype.getSimplifiedGeometry
@exportProperty ol.geom.GeometryCollection.prototype.getType
@exportProperty ol.geom.GeometryCollection.prototype.setGeometries