import { Fr } from '@aztec/foundation/curves/bn254';
import { BufferReader, FieldReader } from '@aztec/foundation/serialize';
import { KeyValidationRequest } from './key_validation_request.js';
/**
 * Request for validating keys used in the app, along with a domain separator for the key type.
 */
export declare class KeyValidationRequestAndSeparator {
    /** The key validation request. */
    readonly request: KeyValidationRequest;
    /** Domain separator for the key type, used along with sk_m to derive the sk_app stored in the request. */
    readonly keyTypeDomainSeparator: Fr;
    constructor(
    /** The key validation request. */
    request: KeyValidationRequest, 
    /** Domain separator for the key type, used along with sk_m to derive the sk_app stored in the request. */
    keyTypeDomainSeparator: Fr);
    toBuffer(): Buffer<ArrayBufferLike>;
    static fromBuffer(buffer: Buffer | BufferReader): KeyValidationRequestAndSeparator;
    toFields(): Fr[];
    static fromFields(fields: Fr[] | FieldReader): KeyValidationRequestAndSeparator;
    isEmpty(): boolean;
    static empty(): KeyValidationRequestAndSeparator;
}
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