def summary(self):
     return _(u"Check ${header} for ${value}", mapping=dict(header=self.header,value=self.value))
 def summary(self):
     return _(u"Check if the email contains a part with maintype/subtype pair ${maintype}/${subtype}", mapping=dict(maintype=self.maintype,subtype=self.subtype))
 def summary(self):
     return _(u"Deliver to DropBoxes by key ${key}", mapping=dict(key=self.key))
 def summary(self):
     return _(
         u"Check if mail is ${operator} ${size} megabytes", mapping=dict(operator=self.operator, size=self.size)
     )