The category to search in. Optional. It is inferred by the
system if it is not specified. [Deprecated] Use
product_category.
The bounding polygon around the area of interest in the image.
Optional. If it is not specified, system discretion will be
applied. [Deprecated] Use bounding_poly.
Specifies the verbosity of the product search results.
Optional. Defaults to BASIC.
The list of product categories to search in. Currently, we
only consider the first category, and either "homegoods" or
"apparel" should be specified.