import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;

/**
 * Authenticator for SAML 2.0.
 *
 * <p>This authenticator enables Single Sign-On (SSO) using SAML 2.0 protocol
 * with Identity Providers such as Okta, Azure AD, OneLogin, etc.</p>
 *
 * <h2>Required Configuration</h2>
 * <p>Add the following properties to {@code system.properties}:</p>
 * <pre>
 * # Enable SAML SSO

    /**
     * Get the value for the key 'crawler.web.protocols'. <br>
     * The value is, e.g. http,https <br>
     * comment: Supported web protocols for crawling.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerWebProtocols();

    /**
     * Get the value for the key 'crawler.file.protocols'. <br>