extract_subdomains(host, tld_length = @@tld_length) public

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# File actionpack/lib/action_dispatch/http/url.rb, line 13
        def extract_subdomains(host, tld_length = @@tld_length)
          return [] unless named_host?(host)
          parts = host.split('.')
          parts[0..-(tld_length+2)]
        end
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