<s> """<STR_LIT>""" <EOL> class _ ( type ) : <EOL> def __getattr__ ( self , attr ) : <EOL> return attr <EOL> class TRAIL ( object ) : <EOL> __metaclass__ = _ <EOL> class BLOCK_MARKER : <EOL> NOP = chr ( <NUM_LIT> ) <EOL> READ = chr ( <NUM_LIT> ) <EOL> WRITE = chr ( <NUM_LIT> ) <EOL> END = chr ( <NUM_LIT> ) <EOL> class PROTO : <EOL> TCP = "<STR_LIT>" <EOL> UDP = "<STR_LIT>" <EOL> ICMP = "<STR_LIT>" <EOL> class HTTP_HEADER : <EOL> ACCEPT = "<STR_LIT>" <EOL> ACCEPT_CHARSET = "<STR_LIT>" <EOL> ACCEPT_ENCODING = "<STR_LIT>" <EOL> ACCEPT_LANGUAGE = "<STR_LIT>" <EOL> AUTHORIZATION = "<STR_LIT>" <EOL> CACHE_CONTROL = "<STR_LIT>" <EOL> CONNECTION = "<STR_LIT>" <EOL> CONTENT_ENCODING = "<STR_LIT>" <EOL> CONTENT_LENGTH = "<STR_LIT>" <EOL> CONTENT_RANGE = "<STR_LIT>" <EOL> CONTENT_TYPE = "<STR_LIT:Content-Type>" <EOL> COOKIE = "<STR_LIT>" <EOL> EXPIRES = "<STR_LIT>" <EOL> HOST = "<STR_LIT>" <EOL> IF_MODIFIED_SINCE = "<STR_LIT>" <EOL> LAST_MODIFIED = "<STR_LIT>" <EOL> LOCATION = "<STR_LIT>" <EOL> PRAGMA = "<STR_LIT>" <EOL> PROXY_AUTHORIZATION = "<STR_LIT>" <EOL> PROXY_CONNECTION = "<STR_LIT>" <EOL> RANGE = "<STR_LIT>" <EOL> REFERER = "<STR_LIT>" <EOL> SERVER = "<STR_LIT>" <EOL> SET_COOKIE = "<STR_LIT>" <EOL> TRANSFER_ENCODING = "<STR_LIT>" <EOL> URI = "<STR_LIT>" <EOL> USER_AGENT = "<STR_LIT>" <EOL> VIA = "<STR_LIT>" <EOL> X_POWERED_BY = "<STR_LIT>" </s>
