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I couldn't find any relevant information about Costco Wholesale as a restaurant. However, I found that Costco is a membership-based American multinational retailer that operates warehouse clubs, offering a wide range of products including fresh foods, packaged goods, electronics, clothing, and more.

At its location on Hesperian Blvd in Hayward, CA, the focus is primarily on retail shopping rather than dining. The store offers various food options for shoppers to enjoy in their food court or take-out counters, such as pizza, hot dogs, and other quick-service meals.

It's worth noting that while Costco does offer a variety of food options within its warehouse clubs, these are not typically considered "restaurants" but rather convenience stores or food courts.