/// <summary>
/// Initializes a new instance of the <see cref="Cronofy.OAuthToken"/>
/// class.
/// </summary>
/// <param name="accessToken">
/// The access token for the OAuth authorization, must not be empty.
/// </param>
/// <param name="refreshToken">
/// The refresh token for the OAuth authorization, must not be empty.
/// </param>
/// <param name="expiresIn">
/// The number of seconds until the <paramref name="accessToken"/>
/// expires, must not be negative.
/// </param>
/// <param name="scope">
/// The scope of the OAuth authorization, must not be null.
/// </param>
public OAuthToken(string accessToken, string refreshToken, int expiresIn, string[] scope)
{
Preconditions.NotEmpty("accessToken", accessToken);
Preconditions.NotEmpty("refreshToken", refreshToken);
Preconditions.NotNegative("expiresIn", expiresIn);
Preconditions.NotNull("scope", scope);
this.AccessToken = accessToken;
this.RefreshToken = refreshToken;
this.ExpiresIn = expiresIn;
this.Scope = scope;
}