/// <summary>
/// Retrieves the specified key property for the provided type.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>The key property.</returns>
protected virtual PropertyInfo GetKeySelector(Type type)
{
KeySelectorMap.TryGetValue(type, out PropertyInfo prop);
if (prop == null)
{
throw new Exception($"There is no key property specified for {type.Name} or it is invalid.");
}
return(prop);
}
