/// <summary>
/// Get or sets the associated value from the collection as a single string.
/// </summary>
/// <param name="key">The header name.</param>
/// <returns>the associated value from the collection as a StringValues or StringValues.Empty if the key is not present.</returns>
public StringValues this[string key]
{
get { return(ParsingHelpers.GetHeader(Store, key)); }
set { ParsingHelpers.SetHeader(Store, key, value); }
}
/// <summary>
/// Sets a specific header value.
/// </summary>
/// <param name="key">The header name.</param>
/// <param name="value">The header value.</param>
public void Set(string key, string value)
{
ParsingHelpers.SetHeader(Store, key, value);
}