import { Buffer32 } from '@aztec/foundation/buffer';
export declare enum SignatureDomainSeparator {
    blockProposal = 0,
    checkpointAttestation = 1,
    attestationsAndSigners = 2,
    checkpointProposal = 3,
    signedTxs = 4
}
export interface Signable {
    getPayloadToSign(domainSeparator: SignatureDomainSeparator): Buffer;
}
/**
 * Get the hashed payload for the signature of the `Signable`
 * @param s - The `Signable` to sign
 * @returns The hashed payload for the signature of the `Signable`
 */
export declare function getHashedSignaturePayload(s: Signable, domainSeparator: SignatureDomainSeparator): Buffer32;
/**
 * Get the hashed payload for the signature of the `Signable` as an Ethereum signed message EIP-712
 * @param s - the `Signable` to sign
 * @returns The hashed payload for the signature of the `Signable` as an Ethereum signed message
 */
export declare function getHashedSignaturePayloadEthSignedMessage(s: Signable, domainSeparator: SignatureDomainSeparator): Buffer32;
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