/// <summary>
/// Returns the instances of a given type from its current subregister.
/// </summary>
/// <param name="type">The type of requested instances.</param>
/// <returns>
/// Key-value pairs, with id and object of requested type.
/// If no subregister was found returns null.
/// </returns>
public Dictionary <string, object> GetSubRegister(string type)
{
var subRegister = register.GetSubRegister(type);
return(subRegister);
}
