cdef class UVTimer(UVHandle): cdef: method_t callback object ctx bint running uint64_t timeout uint64_t start_t cdef _init(self, Loop loop, method_t callback, object ctx, uint64_t timeout) cdef stop(self) cdef start(self) cdef get_when(self) @staticmethod cdef UVTimer new(Loop loop, method_t callback, object ctx, uint64_t timeout)