cdef grpc_channel_credentials *c(self) except *
+cdef class XDSChannelCredentials(ChannelCredentials):
+
+ cdef readonly ChannelCredentials _fallback_credentials
+
+ cdef grpc_channel_credentials *c(self) except *
+
+
cdef class ServerCertificateConfig:
cdef grpc_ssl_server_certificate_config *c_cert_config