array:10 [
  "content-length" => array:1 [
    0 => "0"
  ]
  "accept-encoding" => array:1 [
    0 => "gzip, br, zstd, deflate"
  ]
  "user-agent" => array:1 [
    0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  ]
  "accept" => array:1 [
    0 => "*/*"
  ]
  "x-forwarded-proto" => array:1 [
    0 => "https"
  ]
  "x-forwarded-host" => array:1 [
    0 => "beta.rebelbooks.com"
  ]
  "x-forwarded-for" => array:1 [
    0 => "216.73.216.101"
  ]
  "cookie" => array:1 [
    0 => "XSRF-TOKEN=eyJpdiI6InNZTHVPWlRYNnBZQkQ3bDVTa3JZVXc9PSIsInZhbHVlIjoiTDUwTzVqSEd4VHhTNGh4SEhTN0RlV05ZN1ozUVBVUXBBZFJVR1BIUm1ub1dCRHlBTGlzN0djZW9jd2JKZVExSktrUVNLeEtQRkV1dWlvZjNDL1g2d1RNaVcwYXZhdnFNU01NbXQvcjFNb1RjVmMvcUsvYklzRmthN0tQNzhZVzMiLCJtYWMiOiI3NjIxN2U5MzUxOWEzZTE5NzE3ZmVhNDkxMWE0OWMwZDkwODM5YjFiNWY4ZDk2NTY2YTMwOTZiNjJlMTkxMjBmIiwidGFnIjoiIn0%3D; rebelbooks_session=eyJpdiI6Ik5PNDVuNzYvRGI5YzNzaFprNGt1c1E9PSIsInZhbHVlIjoiNzlPWStYbWdXd2dEVllPcFRDZGh2dHV1Q09pM0JwVExibHdTYllZTkRhNm9KR0dVclVYblpUQ09jcTk5WTdoWXJyaVJQMld6SkNYVXdGMlFqa25ya0xqQXlVNXJONnA2NFA1QUxldkZtckhqNGNjbERETnRzV0crWWtZc21rcjAiLCJtYWMiOiI4Mjg3NzE5Y2M0OWNiMzJiOGQwZGJhODczOTVmMWRjNGU2MWQyN2QyMGQxMTQwMDYxYWI2NTlmNWQyMGM3NTkzIiwidGFnIjoiIn0%3D"
  ]
  "via" => array:1 [
    0 => "2.0 Caddy"
  ]
  "host" => array:1 [
    0 => "beta.rebelbooks.com"
  ]
]