<s> class ObjectStore ( object ) : <EOL> def readValue ( self , key ) : <EOL> assert False , "<STR_LIT>" <EOL> def writeValue ( self , key , value ) : <EOL> assert False , "<STR_LIT>" <EOL> def deleteValue ( self , key ) : <EOL> assert False , "<STR_LIT>" <EOL> def listValues ( self , prefix = '<STR_LIT>' ) : <EOL> assert False , "<STR_LIT>" </s>
