/// <summary>
 /// Instantiates a new <see cref="SingleFeaturePolicyHeaderValue"/>.
 /// </summary>
 /// <param name="policy">The policy to selectively enable and disable use of various browser features and APIs.</param>
 public SingleFeaturePolicyHeaderValue(FeaturePolicy policy)
 {
     Policy = policy ?? throw new ArgumentNullException(nameof(policy));
 }
 /// <summary>
 /// Instantiates a new <see cref="SingleFeaturePolicyHeaderValue"/> with default <see cref="Policy"/>.
 /// </summary>
 public SingleFeaturePolicyHeaderValue()
 {
     Policy = new FeaturePolicy();
 }