Dygraph.getDateAxis = function(start_time, end_time, granularity, opts, dg) {
var formatter = /** @type{AxisLabelFormatter} */(
opts("axisLabelFormatter"));
Dygraph.getDateAxis = function(start_time, end_time, granularity, opts, dg) {
var formatter = /** @type{AxisLabelFormatter} */(
opts("axisLabelFormatter"));