public Runner(
SimpleSubquery <TResult> owner,
IConnection connection,
string id,
string after,
IDictionary <string, object> variables,
IList result)
{
this.owner = owner;
this.connection = connection;
this.variables = variables?.ToDictionary(x => x.Key, x => x.Value) ??
new Dictionary <string, object>();
this.variables["__id"] = id;
this.variables["__after"] = after;
finalResult = result;
}