elasticsearch-js/docs/reference/api/AggregationsDateRangeAggregation.md

Interface AggregationsDateRangeAggregation

Name	Type	Description
field	Field	The date field whose values are use to build ranges.
format	string	The date format used to format from and to in the response.
keyed	boolean	Set to true to associate a unique string key with each bucket and returns the ranges as a hash rather than an array.
missing	AggregationsMissing	The value to apply to documents that do not have a value. By default, documents without a value are ignored.
ranges	AggregationsDateRangeExpression[]	Array of date ranges.
time_zone	TimeZone	Time zone used to convert dates from another time zone to UTC.