def METHOD_NAME(self):
    """
    Construct a ContextService and a thread to service requests for it
    arriving from worker processes.
    """
    self.pool = mitogen.service.Pool(
        router=self.router,
        services=[
            mitogen.service.FileService(router=self.router),
            mitogen.service.PushFileService(router=self.router),
            ansible_mitogen.services.ContextService(self.router),
            ansible_mitogen.services.ModuleDepService(self.router),
        ],
        size=int(os.environ.get('MITOGEN_POOL_SIZE', '16')),
    )
    LOG.debug('Service pool configured: size=%d', self.pool.size)