pub fn new_subscription<M, F, G>(
    notification: &str,
    subscribe: F,
    unsubscribe: G
) -> (Subscribe<F, G>, Unsubscribe<G>) where
    M: PubSubMetadata,
    F: SubscribeRpcMethod<M>,
    G: UnsubscribeRpcMethod<M>, 
Expand description

Creates new subscribe and unsubscribe RPC methods