setField($field); } /** * A target number of buckets. * The buckets field is optional, and will default to 10 buckets if not specified. * * @return $this */ public function setBuckets(int $buckets): self { return $this->setParam('buckets', $buckets); } /** * Set the format for this aggregation. * If no format is specified, then it will use the first date format specified in the field mapping. * * @return $this */ public function setFormat(string $format): self { return $this->setParam('format', $format); } /** * Set time_zone option. * The time_zone parameter can be used to indicate that bucketing should use a different time zone. * * @return $this */ public function setTimezone(string $timezone): self { return $this->setParam('time_zone', $timezone); } /** * The minimum_interval allows the caller to specify the minimum rounding interval that should be used. * The accepted units: year, month, day, hour, minute, second. * * @return $this */ public function setMinimumInterval(string $minimumInterval): self { return $this->setParam('minimum_interval', $minimumInterval); } }