/**
 * This class is used to record invalid session IDs to avoid using them in future requests.
 *
 * A static array is used to manage invalid session IDs. These session IDs are backed up to local storage
 * and updated when new ones are found.
 *
 * The maximum number of bad session IDs is configurable and currently set to 5. We limit this field to
 * keep storage use to a minimum.
 *
 * @internal
 */
export declare class MsalSessionIdManager {
    private static _invalidSessionIds;
    private static readonly _INVALID_SID_SS_KEY;
    private static readonly _MAX_SIDS;
    /**
     * Initializes the MsalSessionIdManager by loading state from storage. This should be called before
     * attempting to perform any other methods.
     */
    static initialize(): void;
    /**
     * Given a session ID, determines if the session ID is known to be invalid.
     * @param sessionId - Session ID to search for.
     * @returns True if the session ID is invalid.
     */
    static isSessionIdInvalid(sessionId: string): boolean;
    /**
     * Given a session ID, adds it to the list of invalid session IDs. Ignores IDs that are already invalid.
     * @param sessionId - Session ID to mark as invalid.
     */
    static addInvalidSessionId(sessionId: string): void;
    /**
     * Saves the current list of invalid session IDs to local storage.
     * Does not write to storage if there are no known invalid session IDs.
     */
    static saveInvalidSessionIdsToStorage(): void;
    /**
     * Loads and returns the list of known invalid session IDs from local storage.
     * If there is nothing in storage then it will a new array.
     *
     * If the JSON from local storage is not valid it will return an empty new array.
     * @returns
     */
    private static _loadInvalidSessionIdsFromStorage;
}
//# sourceMappingURL=MsalSessionIdManager.d.ts.map