• f_category : tld_info , tld_description , snap::tld_info
• f_category_name : snap::tld_info
• f_country : snap::tld_info , tld_description , tld_info
• f_end_offset : tld_description , snap::tld_info
• f_exception_apply_to : snap::tld_info , tld_description
• f_exception_level : tld_description
• f_inverted : snap::tld_info
• f_level : snap::tld_info
• f_offset : tld_info , snap::tld_info
• f_reason : snap::tld_info
• f_reason_name : snap::tld_info
• f_start_offset : tld_description , snap::tld_info
• f_status : tld_info , tld_description
• f_tld : tld_info , snap::tld_info , tld_description