def add_term(list_id, term, language, custom_headers:nil)
      response = add_term_async(list_id, term, language, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def add_term(list_id, term, language, custom_headers:nil)
      response = add_term_async(list_id, term, language, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Add a term to the term list with list Id equal to list Id passed.

 @param list_id [String] List Id of the image list.
 @param term [String] Term to be deleted
 @param language [String] Language of the terms.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [Object] operation results.