import type { ICoseVerifier, ReceiptVerification, SignedStatementVerification } from '../../domain/transparency/ports/cose-verifier.port';
export type TrustAnchorMode = 'anchored' | 'self-asserted';
export interface TrustAnchor {
    readonly keyId: string;
    readonly publicKeySpki: string;
}
export declare class Ed25519CoseVerifier implements ICoseVerifier {
    readonly mode: TrustAnchorMode;
    private readonly keys;
    constructor(anchors: readonly TrustAnchor[], mode: TrustAnchorMode);
    verifySignedStatement(coseBase64: string): SignedStatementVerification;
    verifyReceipt(coseBase64: string, detachedRoot: Uint8Array): ReceiptVerification;
}