/**
 * @schema AdminCreateCollection
 * type: object
 * description: the product collection's details.
 * x-schemaName: AdminCreateCollection
 * required:
 *   - title
 * properties:
 *   title:
 *     type: string
 *     title: title
 *     description: The collection's title.
 *   handle:
 *     type: string
 *     title: handle
 *     description: The collection's handle.
 *   metadata:
 *     type: object
 *     description: The collection's metadata, used to store custom key-value pairs.
 * 
*/