This pipelines runs a (partial) user query phrase against the product suggestion index and retrieves useful completions for that search phrase.
SearchPhrase : String (Optional)
The partial user search phrase as typed in the search box.
MaxSuggestions : Number (Optional)
The number of suggestions to return (default is 10 and maximum is 20).
Suggestions : LinkedHashMap : (Optional)
A sorted map keyed by the suggestion text mapping to the expected product hit count for that suggestion.