array (size=6)
  'post_type' => string 'product' (length=7)
  'posts_per_page' => int 4
  'post_status' => string 'publish' (length=7)
  'meta_query' =>
    array (size=3)
      0 =>
        array (size=3)
          'key' => string '_visibility' (length=11)
          'value' =>
            array (size=2)
              ...
          'compare' => string 'IN' (length=2)
      1 =>
        array (size=2)
          'key' => string '_price' (length=6)
          'value' => string 'ASC' (length=3)
      2 =>
        array (size=2)
          'key' => string 'total_sales' (length=11)
          'value' => string 'DESC' (length=4)
  'tax_query' =>
    array (size=0)
      empty
  'product_cat' => string 'mens-watches' (length=12)