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diff --git a/vendor/ruflin/elastica/lib/Elastica/QueryBuilder/DSL/Aggregation.php b/vendor/ruflin/elastica/lib/Elastica/QueryBuilder/DSL/Aggregation.php
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+<?php
+namespace Elastica\QueryBuilder\DSL;
+
+use Elastica\Aggregation\Avg;
+use Elastica\Aggregation\Cardinality;
+use Elastica\Aggregation\DateHistogram;
+use Elastica\Aggregation\DateRange;
+use Elastica\Aggregation\ExtendedStats;
+use Elastica\Aggregation\Filter as FilterAggregation;
+use Elastica\Aggregation\Filters;
+use Elastica\Aggregation\GeoDistance;
+use Elastica\Aggregation\GeohashGrid;
+use Elastica\Aggregation\GlobalAggregation;
+use Elastica\Aggregation\Histogram;
+use Elastica\Aggregation\IpRange;
+use Elastica\Aggregation\Max;
+use Elastica\Aggregation\Min;
+use Elastica\Aggregation\Missing;
+use Elastica\Aggregation\Nested;
+use Elastica\Aggregation\Percentiles;
+use Elastica\Aggregation\Range;
+use Elastica\Aggregation\ReverseNested;
+use Elastica\Aggregation\ScriptedMetric;
+use Elastica\Aggregation\SignificantTerms;
+use Elastica\Aggregation\Stats;
+use Elastica\Aggregation\Sum;
+use Elastica\Aggregation\Terms;
+use Elastica\Aggregation\TopHits;
+use Elastica\Aggregation\ValueCount;
+use Elastica\Exception\NotImplementedException;
+use Elastica\Filter\AbstractFilter;
+use Elastica\QueryBuilder\DSL;
+
+/**
+ * elasticsearch aggregation DSL.
+ *
+ * @author Manuel Andreo Garcia <andreo.garcia@googlemail.com>
+ *
+ * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations.html
+ */
+class Aggregation implements DSL
+{
+    /**
+     * must return type for QueryBuilder usage.
+     *
+     * @return string
+     */
+    public function getType()
+    {
+        return DSL::TYPE_AGGREGATION;
+    }
+
+    /**
+     * min aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-min-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Min
+     */
+    public function min($name)
+    {
+        return new Min($name);
+    }
+
+    /**
+     * max aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-max-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Max
+     */
+    public function max($name)
+    {
+        return new Max($name);
+    }
+
+    /**
+     * sum aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-sum-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Sum
+     */
+    public function sum($name)
+    {
+        return new Sum($name);
+    }
+
+    /**
+     * avg aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-avg-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Avg
+     */
+    public function avg($name)
+    {
+        return new Avg($name);
+    }
+
+    /**
+     * stats aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-stats-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Stats
+     */
+    public function stats($name)
+    {
+        return new Stats($name);
+    }
+
+    /**
+     * extended stats aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-extendedstats-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return ExtendedStats
+     */
+    public function extended_stats($name)
+    {
+        return new ExtendedStats($name);
+    }
+
+    /**
+     * value count aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-valuecount-aggregation.html
+     *
+     * @param string $name
+     * @param string $field
+     *
+     * @return ValueCount
+     */
+    public function value_count($name, $field)
+    {
+        return new ValueCount($name, $field);
+    }
+
+    /**
+     * percentiles aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-percentile-aggregation.html
+     *
+     * @param string $name  the name of this aggregation
+     * @param string $field the field on which to perform this aggregation
+     *
+     * @return Percentiles
+     */
+    public function percentiles($name, $field = null)
+    {
+        return new Percentiles($name, $field);
+    }
+
+    /**
+     * percentile ranks aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-percentile-rank-aggregation.html
+     *
+     * @param string $name
+     */
+    public function percentile_ranks($name)
+    {
+        throw new NotImplementedException();
+    }
+
+    /**
+     * cardinality aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-cardinality-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Cardinality
+     */
+    public function cardinality($name)
+    {
+        return new Cardinality($name);
+    }
+
+    /**
+     * geo bounds aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-geobounds-aggregation.html
+     *
+     * @param string $name
+     */
+    public function geo_bounds($name)
+    {
+        throw new NotImplementedException();
+    }
+
+    /**
+     * top hits aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-top-hits-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return TopHits
+     */
+    public function top_hits($name)
+    {
+        return new TopHits($name);
+    }
+
+    /**
+     * scripted metric aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-scripted-metric-aggregation.html
+     *
+     * @param string      $name
+     * @param string|null $initScript
+     * @param string|null $mapScript
+     * @param string|null $combineScript
+     * @param string|null $reduceScript
+     *
+     * @return ScriptedMetric
+     */
+    public function scripted_metric($name, $initScript = null, $mapScript = null, $combineScript = null, $reduceScript = null)
+    {
+        return new ScriptedMetric($name, $initScript, $mapScript, $combineScript, $reduceScript);
+    }
+
+    /**
+     * global aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-global-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return GlobalAggregation
+     */
+    public function global_agg($name)
+    {
+        return new GlobalAggregation($name);
+    }
+
+    /**
+     * filter aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-filter-aggregation.html
+     *
+     * @param string         $name
+     * @param AbstractFilter $filter
+     *
+     * @return FilterAggregation
+     */
+    public function filter($name, AbstractFilter $filter = null)
+    {
+        return new FilterAggregation($name, $filter);
+    }
+
+    /**
+     * filters aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-filters-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Filters
+     */
+    public function filters($name)
+    {
+        return new Filters($name);
+    }
+
+    /**
+     * missing aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-missing-aggregation.html
+     *
+     * @param string $name
+     * @param string $field
+     *
+     * @return Missing
+     */
+    public function missing($name, $field)
+    {
+        return new Missing($name, $field);
+    }
+
+    /**
+     * nested aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-nested-aggregation.html
+     *
+     * @param string $name
+     * @param string $path the nested path for this aggregation
+     *
+     * @return Nested
+     */
+    public function nested($name, $path)
+    {
+        return new Nested($name, $path);
+    }
+
+    /**
+     * reverse nested aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-reverse-nested-aggregation.html
+     *
+     * @param string $name The name of this aggregation
+     * @param string $path Optional path to the nested object for this aggregation. Defaults to the root of the main document.
+     *
+     * @return ReverseNested
+     */
+    public function reverse_nested($name, $path = null)
+    {
+        return new ReverseNested($name);
+    }
+
+    /**
+     * children aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-children-aggregation.html
+     *
+     * @param string $name
+     */
+    public function children($name)
+    {
+        throw new NotImplementedException();
+    }
+
+    /**
+     * terms aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-terms-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Terms
+     */
+    public function terms($name)
+    {
+        return new Terms($name);
+    }
+
+    /**
+     * significant terms aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-significantterms-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return SignificantTerms
+     */
+    public function significant_terms($name)
+    {
+        return new SignificantTerms($name);
+    }
+
+    /**
+     * range aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-range-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return Range
+     */
+    public function range($name)
+    {
+        return new Range($name);
+    }
+
+    /**
+     * date range aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-daterange-aggregation.html
+     *
+     * @param string $name
+     *
+     * @return DateRange
+     */
+    public function date_range($name)
+    {
+        return new DateRange($name);
+    }
+
+    /**
+     * ipv4 range aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-iprange-aggregation.html
+     *
+     * @param string $name
+     * @param string $field
+     *
+     * @return IpRange
+     */
+    public function ipv4_range($name, $field)
+    {
+        return new IpRange($name, $field);
+    }
+
+    /**
+     * histogram aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-histogram-aggregation.html
+     *
+     * @param string $name     the name of this aggregation
+     * @param string $field    the name of the field on which to perform the aggregation
+     * @param int    $interval the interval by which documents will be bucketed
+     *
+     * @return Histogram
+     */
+    public function histogram($name, $field, $interval)
+    {
+        return new Histogram($name, $field, $interval);
+    }
+
+    /**
+     * date histogram aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-datehistogram-aggregation.html
+     *
+     * @param string $name     the name of this aggregation
+     * @param string $field    the name of the field on which to perform the aggregation
+     * @param int    $interval the interval by which documents will be bucketed
+     *
+     * @return DateHistogram
+     */
+    public function date_histogram($name, $field, $interval)
+    {
+        return new DateHistogram($name, $field, $interval);
+    }
+
+    /**
+     * geo distance aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-geodistance-aggregation.html
+     *
+     * @param string       $name   the name if this aggregation
+     * @param string       $field  the field on which to perform this aggregation
+     * @param string|array $origin the point from which distances will be calculated
+     *
+     * @return GeoDistance
+     */
+    public function geo_distance($name, $field, $origin)
+    {
+        return new GeoDistance($name, $field, $origin);
+    }
+
+    /**
+     * geohash grid aggregation.
+     *
+     * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-geohashgrid-aggregation.html
+     *
+     * @param string $name  the name of this aggregation
+     * @param string $field the field on which to perform this aggregation
+     *
+     * @return GeohashGrid
+     */
+    public function geohash_grid($name, $field)
+    {
+        return new GeohashGrid($name, $field);
+    }
+}