    class UnknownFileTypeServletFactory(ServletFactory):
        def uniqueness(self):
        def extensions(self):
        def servletForTransaction(self, transaction):
        def flushCache(self):

    class UnknownFileTypeServlet(HTTPServlet, Configurable):

        class Image(UnknownFileTypeServlet):
            def filename(self, trans):

        ## Candidates for subclass overrides ##
        def filename(self, trans):
        def shouldCacheContent(self):

        ## Init et al ##
        def __init__(self, application=None):
        def userConfig(self):
        def configFilename(self):
        def canBeReused(self):
        def validTechniques(self):
        def respondToGet(self, trans):
        def respondToPost(self, trans):
        def redirectSansAdapter(self, trans):
        def serveContent(self, trans):