/**
 * Derivation Attestation Verification
 * CVF-US-017: Verify derivation attestations (Prepare analogue)
 */
import type { ModelIdentityTier, VerificationResult, VerificationError } from './types.js';
export interface DerivationAttestationVerifierOptions {
    /**
     * Allowlisted signer DIDs (did:key:...).
     * Fail-closed: if empty or missing, attestations are treated as INVALID.
     */
    allowlistedSignerDids?: readonly string[];
}
export declare function verifyDerivationAttestation(envelope: unknown, options?: DerivationAttestationVerifierOptions): Promise<{
    result: VerificationResult;
    derivation_id?: string;
    transform_kind?: string;
    input_model?: {
        provider?: string;
        name?: string;
        tier?: ModelIdentityTier;
    };
    output_model?: {
        provider?: string;
        name?: string;
        tier?: ModelIdentityTier;
    };
    clawlogs_inclusion_proof_validated?: boolean;
    error?: VerificationError;
}>;
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