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

Interface SearchCompletionSuggester

Name	Type	Description
contexts	Record<Field, SearchCompletionContext	SearchContext
fuzzy	SearchSuggestFuzziness	Enables fuzziness, meaning you can have a typo in your search and still get results back.
regex	SearchRegexOptions	A regex query that expresses a prefix as a regular expression.
skip_duplicates	boolean	Whether duplicate suggestions should be filtered out.