# Functions
AutoSyncInterval is the interval to update endpoints with its latest members.
ClientContext is the default etcd3 client context; it can be used to cancel grpc dial out andother operations that do not have an explicit context.
DialKeepAliveTime is the time after which client pings the server to see if transport is alive.
DialKeepAliveTimeout is the time that the client waits for a response for the keep-alive probe.
DialOptions is a list of dial options for the grpc client (e.g., for interceptors).
DialTimeout is the timeout for failing to establish a connection.
MaxCallRecvMsgSize is the client-side response receive limit.
MaxCallSendMsgSize is the client-side request send limit in bytes.
NewStore returns a new etcd store.
Password is a password for authentication.
PermitWithoutStream when set will allow client to send keepalive pings to server without any active streams(RPCs).
RejectOldCluster when set will refuse to create a client against an outdated cluster.
TLS holds the client secure credentials, if any.
Username is a user name for authentication.