code: func NewCompositeAggregationDateHistogramValuesSource(name string, interval interface{}) *CompositeAggregationDateHistogramValuesSource {
  	return &CompositeAggregationDateHistogramValuesSource{
  		name:     name,
  		interval: interval,
  	}
  }
docs: // NewCompositeAggregationDateHistogramValuesSource creates and initializes
  // a new CompositeAggregationDateHistogramValuesSource.