import { type JWTPayload } from "jose";
export declare class JwtAuthoriser {
    private readonly clientId;
    private static readonly ENV;
    private static readonly tokenExpiryEnvExclusionList;
    private static readonly JWKS_URI;
    private static JWKS;
    /**
     * Create a new instance of the JwtAuthoriser class
     * @param clientId - the client id to validate the token against
     */
    constructor(clientId?: string | null);
    /**
     * Validate a JWT and return the decoded payload
     * @param {string} token - the JWT token to validate
     * @returns {Promise<JWTPayload>}
     */
    verify(token: string): Promise<JWTPayload>;
}