The mode under which spell correction should take effect to replace the original search query. Default to Mode.AUTO.
Mode
Enum describing under which mode spell correction should occur.
Enums
MODE_UNSPECIFIED
Unspecified spell correction mode. In this case, server behavior defaults to Mode.AUTO.
SUGGESTION_ONLY
Google Retail placements.search will try to find a spell suggestion if there is any and put in the SearchResponse.corrected_query. The spell suggestion will not be used as the search query.
AUTO
Automatic spell correction built by Google Retail placements.search. placements.search will be based on the corrected query if found.