import { KeyManager } from './key-manager.service';
import { Logger } from './logger.service';
export interface VerificationResult {
    isValid: boolean;
    referrer?: string;
}
export declare class SignatureVerifierService {
    private readonly keyManager;
    private readonly logger;
    constructor(keyManager: KeyManager, logger: Logger);
    verify(payload: unknown, signatureB64: string, referrer: string): VerificationResult;
}
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