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The aggregations class

The aggregations framework is available in the aggs.py file of the elasticsearch-dsl package. You can use the A() method to define an aggregation. There are provided classes for the supported aggregation types. A list of supported aggregation types and its provided classes are compiled in the following table. You can use the class to construct the aggregation object:

Category	Aggregation type	Provided class name
Metrics	`avg`	`Avg`
	`weighted_avg`	`WeightedAvg`
	`cardinality`	`Cardinality`
	`extended_stats`	`ExtendedStats`
	`max`	`Max`
	`min`	`Min`
	`percentiles`	`Percentiles`
	`percentile_ranks`	`PercentRanks`
	`scripted_metric`	`ScriptedMetric`
	`stats`	`Stats`
	`sum`	`Sum`
	`top_hots`	`TopHits ...`

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