/// <summary>
/// Quotes any values containing comas, and then coma joins all of the values with any existing values.
/// </summary>
/// <param name="headers">The <see cref="IHeaderDictionary"/> to use.</param>
/// <param name="key">The header name.</param>
/// <param name="values">The header values.</param>
public static void AppendCommaSeparatedValues(this IHeaderDictionary headers, string key, params string[] values)
{
ParsingHelpers.AppendHeaderJoined(headers, key, values);
}
/// <summary>
/// Quotes any values containing comas, and then coma joins all of the values with any existing values.
/// </summary>
/// <param name="key">The header name.</param>
/// <param name="values">The header values.</param>
public void AppendCommaSeparatedValues(string key, params string[] values)
{
ParsingHelpers.AppendHeaderJoined(Store, key, values);
}