/// <summary>
/// Adds the given converter to the registry.
/// </summary>
/// <typeparam name="T">The </typeparam>
/// <param name="converter">The converter to add.</param>
/// <exception cref="ArgumentException">There is already a converter in the registry for the given type.</exception>
public void Add <T>(IFirestoreConverter <T> converter)
{
GaxPreconditions.CheckNotNull(converter, nameof(converter));
_converters.Add(typeof(T), new CustomConverter <T>(converter));
_converterList.Add(converter);
}
// Method to make the reflection simpler. private static IFirestoreInternalConverter CreateInstance <T>(IFirestoreConverter <T> wrappedConverter) => new CustomConverter <T>(wrappedConverter);
