interface TokenInfoSuccess {
    isJwt: true;
    userEmail: string;
    scope: string;
    expiresAt?: Date;
    appId?: string;
    orgId?: string;
}
interface TokenInfoFailure {
    isJwt: false;
}
type TokenInfo = TokenInfoSuccess | TokenInfoFailure;
/**
 * Utility function to decode and identify JWT tokens vs API keys
 * Safely attempts to decode a token as JWT and returns metadata about it
 */
export declare function tryDecodeJwtToken(token: string): TokenInfo;
export {};
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