import ByteArray from '../internal/ByteArray.js';
import GroupSecretParams from '../groups/GroupSecretParams.js';
import ServerPublicParams from '../ServerPublicParams.js';
import UuidCiphertext from '../groups/UuidCiphertext.js';
import { Aci, ServiceId } from '../../Address.js';
import GroupSendDerivedKeyPair from './GroupSendDerivedKeyPair.js';
import GroupSendEndorsement from './GroupSendEndorsement.js';
/**
 * A collection of endorsements known to be valid.
 *
 * The result of the `receive` operations on {@link GroupSendEndorsementsResponse}. Contains an
 * endorsement for each member of the group, in the same order they were originally provided, plus a
 * combined endorsement for "everyone but me", intended for multi-recipient sends.
 */
export type ReceivedEndorsements = {
    endorsements: GroupSendEndorsement[];
    combinedEndorsement: GroupSendEndorsement;
};
/**
 * A set of endorsements of the members in a group, along with a proof of their validity.
 *
 * Issued by the group server based on the group's member ciphertexts. The endorsements will
 * eventually be verified by the chat server in the form of {@link GroupSendFullToken}s. See
 * {@link GroupSendEndorsement} for a full description of the endorsement flow from the client's
 * perspective.
 */
export default class GroupSendEndorsementsResponse extends ByteArray {
    constructor(contents: Uint8Array<ArrayBuffer>);
    /**
     * Issues a new set of endorsements for `groupMembers`.
     *
     * `groupMembers` should include `requestingUser` as well.
     */
    static issue(groupMembers: UuidCiphertext[], keyPair: GroupSendDerivedKeyPair): GroupSendEndorsementsResponse;
    /**
     * Issues a new set of endorsements for `groupMembers`, with an explicity-chosen expiration and
     * source of randomness.
     *
     * Should only be used for testing purposes.
     *
     * @see {@link GroupSendEndorsementsResponse#issue}
     */
    static issueWithRandom(groupMembers: UuidCiphertext[], keyPair: GroupSendDerivedKeyPair, random: Uint8Array<ArrayBuffer>): GroupSendEndorsementsResponse;
    /** Returns the expiration for the contained endorsements. */
    getExpiration(): Date;
    /**
     * Receives, validates, and extracts the endorsements from a response.
     *
     * Note that the `receive` operation is provided for both {@link ServiceId}s and {@link
     * UuidCiphertext}s. If you already have the ciphertexts for the group members available, {@link
     * #receiveWithCiphertexts} should be faster; if you don't, this method is faster than generating
     * the ciphertexts and throwing them away afterwards.
     *
     * `localUser` should be included in `groupMembers`.
     *
     * @throws {VerificationFailedError} if the endorsements are not valid for any reason
     */
    receiveWithServiceIds(groupMembers: ServiceId[], localUser: Aci, groupParams: GroupSecretParams, serverParams: ServerPublicParams, now?: Date): ReceivedEndorsements;
    /**
     * Receives, validates, and extracts the endorsements from a response.
     *
     * Note that the `receive` operation is provided for both {@link ServiceId}s and {@link
     * UuidCiphertext}s. If you already have the ciphertexts for the group members available, this
     * method should be faster; if you don't, {@link #receiveWithServiceIds} is faster than generating
     * the ciphertexts and throwing them away afterwards.
     *
     * `localUser` should be included in `groupMembers`.
     *
     * @throws {VerificationFailedError} if the endorsements are not valid for any reason
     */
    receiveWithCiphertexts(groupMembers: UuidCiphertext[], localUser: UuidCiphertext, serverParams: ServerPublicParams, now?: Date): ReceivedEndorsements;
}