/// <summary>
/// Gets the property for the labeled utterance.
/// </summary>
/// <typeparam name="T">Property value type.</typeparam>
/// <param name="instance">Labeled utterance instance.</param>
/// <param name="propertyName">Property name.</param>
/// <returns>
/// Property value, or default if property is not set.
/// </returns>
public static T GetProperty <T>(this ILabeledUtterance instance, string propertyName)
{
return(instance.GetPropertyCore <T>(propertyName));
}
/// <summary>
/// Gets the timestamp for the labeled utterance.
/// </summary>
/// <param name="instance">Labeled utterance instance.</param>
/// <returns>
/// Timestamp, or <code>null</code> if property is not set.
/// </returns>
public static DateTimeOffset?GetTimestamp(this ILabeledUtterance instance)
{
return(instance.GetPropertyCore <DateTimeOffset?>(TimestampPropertyName));
}