/**
 * Copyright (c) 2018-2023, BOTLabs GmbH.
 *
 * This source code is licensed under the BSD 4-Clause "Original" license
 * found in the LICENSE file in the root directory of this source tree.
 */
/**
 * [[Quote]] constructs a framework for Attesters to make an offer for building a [[Claim]] on a [[CType]] in which it includes a price and other terms & conditions upon which a claimer can agree.
 *
 * A [[Quote]] object represents a legal **offer** for the closure of a contract attesting a [[Claim]] from the [[CType]] specified within the offer.
 *
 * A [[Quote]] comes with a versionable spec, allowing different [[Quote]] specs to exist over time and tracks under which [[Quote]] a contract was closed.
 *
 * @packageDocumentation
 */
import type { IQuote, IQuoteAgreement, IQuoteAttesterSigned, ICredential, SignCallback, DidResolveKey, DidUri } from '@kiltprotocol/types';
import { JsonSchema } from '@kiltprotocol/utils';
/**
 * Validates the quote against the meta schema and quote data against the provided schema.
 *
 * @param schema A [[Quote]] schema object.
 * @param validate [[Quote]] data to be validated against the provided schema.
 * @param messages The errors messages are listed in an array.
 *
 * @returns Whether the quote schema is valid.
 */
export declare function validateQuoteSchema(schema: JsonSchema.Schema, validate: unknown, messages?: string[]): boolean;
/**
 * Signs a [[Quote]] object as an Attester.
 *
 * @param quoteInput A [[Quote]] object.
 * @param sign The callback to sign with the private key.
 * @returns A signed [[Quote]] object.
 */
export declare function createAttesterSignedQuote(quoteInput: IQuote, sign: SignCallback): Promise<IQuoteAttesterSigned>;
/**
 * Verifies a [[IQuoteAttesterSigned]] object.
 *
 * @param quote The object which to be verified.
 * @param options Optional settings.
 * @param options.didResolveKey Resolve function used in the process of verifying the attester signature.
 */
export declare function verifyAttesterSignedQuote(quote: IQuoteAttesterSigned, { didResolveKey, }?: {
    didResolveKey?: DidResolveKey;
}): Promise<void>;
/**
 * Creates a [[Quote]] signed by the Attester and the Claimer.
 *
 * @param attesterSignedQuote A [[Quote]] object signed by an Attester.
 * @param credentialRootHash A root hash of the entire object.
 * @param sign The callback to sign with the private key.
 * @param claimerDid The DID of the Claimer, who has to sign.
 * @param options Optional settings.
 * @param options.didResolveKey Resolve function used in the process of verifying the attester signature.
 * @returns A [[Quote]] agreement signed by both the Attester and Claimer.
 */
export declare function createQuoteAgreement(attesterSignedQuote: IQuoteAttesterSigned, credentialRootHash: ICredential['rootHash'], sign: SignCallback, claimerDid: DidUri, { didResolveKey, }?: {
    didResolveKey?: DidResolveKey;
}): Promise<IQuoteAgreement>;
/**
 * Verifies a [[IQuoteAgreement]] object.
 *
 * @param quote The object to be verified.
 * @param options Optional settings.
 * @param options.didResolveKey Resolve function used in the process of verifying the attester signature.
 */
export declare function verifyQuoteAgreement(quote: IQuoteAgreement, { didResolveKey, }?: {
    didResolveKey?: DidResolveKey;
}): Promise<void>;