pub async fn resolve_validated_subscription<'r, 'exec_ref, 'd, 'op, QueryT, MutationT, SubscriptionT, S>(
    document: &Document<'d, S>,
    operation: &Spanning<Operation<'op, S>>,
    root_node: &'r RootNode<'r, QueryT, MutationT, SubscriptionT, S>,
    variables: &Variables<S>,
    context: &'r QueryT::Context
) -> Result<(Value<ValuesStream<'r, S>>, Vec<ExecutionError<S>>), GraphQLError>
where QueryT: GraphQLTypeAsync<S>, QueryT::TypeInfo: Sync, QueryT::Context: Sync + 'r, MutationT: GraphQLTypeAsync<S, Context = QueryT::Context>, MutationT::TypeInfo: Sync, SubscriptionT: GraphQLSubscriptionType<S, Context = QueryT::Context>, SubscriptionT::TypeInfo: Sync, S: ScalarValue + Send + Sync, 'r: 'exec_ref, 'd: 'r, 'op: 'd,
Expand description

Initialize new Executor and start resolving subscription into stream asynchronously. Returns NotSubscription error if query or mutation is passed