/**
 * Manages authentication tokens for multiple TINs
 */
export declare class TokenManager {
    private tokens;
    private defaultToken;
    /**
     * Sets a token for a specific TIN
     * @param tin The TIN to set the token for
     * @param token The token to set
     * @param expiresIn The token expiry in seconds
     */
    setTokenForTIN(tin: string, token: string, expiresIn: number): void;
    /**
     * Sets the default token (for system authentication)
     * @param token The token to set
     * @param expiresIn The token expiry in seconds
     */
    setDefaultToken(token: string, expiresIn: number): void;
    /**
     * Gets a token for a specific TIN if it exists and is valid
     * @param tin The TIN to get the token for
     * @returns The token if it exists and is valid, null otherwise
     */
    getTokenForTIN(tin: string): string | null;
    /**
     * Gets the default token if it exists and is valid
     * @returns The default token if it exists and is valid, null otherwise
     */
    getDefaultToken(): string | null;
    /**
     * Checks if a token for a specific TIN is valid
     * @param tin The TIN to check
     * @returns Whether the token is valid
     */
    isTokenValid(tin: string): boolean;
    /**
     * Checks if the default token is valid
     * @returns Whether the default token is valid
     */
    isDefaultTokenValid(): boolean;
    /**
     * Gets all TINs with stored tokens
     * @returns An array of TINs
     */
    getAllTINs(): string[];
    /**
     * Clears all tokens
     */
    clearAllTokens(): void;
}