/// <summary>
/// Checks the existence of a given key on <see cref="PackageReference"/> and supplies the value in <paramref name="value"/>.
/// </summary>
/// <param name="package">The <see cref="PackageReference"/> to check.</param>
/// <param name="key">The key to search for.</param>
/// <param name="value">The value of the key, if it was set. <c>string.empty</c> otherwise.</param>
/// <returns><c>true</c> if the key was set.</returns>
internal static bool HasValue(this PackageReference package, string key, out string value)
{
var hasValue = package.HasValue(key);
value = package.GetValue(key) ?? string.Empty;
return(hasValue);
}