export interface JwtVerifierConfig {
    jwksUri: string;
    expectedIssuer: string;
}
export declare class JwtVerifier {
    private readonly jwks;
    private readonly expectedIssuer;
    constructor(config: JwtVerifierConfig);
    verifyBearerToken(token: string | null): Promise<{
        valid: boolean;
        reason?: string;
    }>;
}