def list_url?(u = nil, parsed: nil)
      return false if (u.nil? || u.empty?) && parsed.nil?
      parsed ||= parse_url(u)
      child_type = parsed[:child_type]
      parsed[:type] == 'lists' && (child_type.nil? || child_type.empty?)
    end
def list_url?(u = nil, parsed: nil)
      return false if (u.nil? || u.empty?) && parsed.nil?
      parsed ||= parse_url(u)
      child_type = parsed[:child_type]
      parsed[:type] == 'lists' && (child_type.nil? || child_type.empty?)
    end
Returns true if a URL is a list URL, false otherwise
 @param u [String] the URL of the API object
 @return [Boolean] true if the URL is a list URL, false otherwise