import type { IMegolmSessionData } from "./@types/crypto";
import { Room } from "./models/room";
/**
 * Public interface to the cryptography parts of the js-sdk
 *
 * @remarks Currently, this is a work-in-progress. In time, more methods will be added here.
 */
export interface CryptoApi {
    /**
     * Global override for whether the client should ever send encrypted
     * messages to unverified devices. This provides the default for rooms which
     * do not specify a value.
     *
     * If true, all unverified devices will be blacklisted by default
     */
    globalBlacklistUnverifiedDevices: boolean;
    /**
     * Checks if the user has previously published cross-signing keys
     *
     * This means downloading the devicelist for the user and checking if the list includes
     * the cross-signing pseudo-device.
     *
     * @returns true if the user has previously published cross-signing keys
     */
    userHasCrossSigningKeys(): Promise<boolean>;
    /**
     * Perform any background tasks that can be done before a message is ready to
     * send, in order to speed up sending of the message.
     *
     * @param room - the room the event is in
     */
    prepareToEncrypt(room: Room): void;
    /**
     * Discard any existing megolm session for the given room.
     *
     * This will ensure that a new session is created on the next call to {@link prepareToEncrypt},
     * or the next time a message is sent.
     *
     * This should not normally be necessary: it should only be used as a debugging tool if there has been a
     * problem with encryption.
     *
     * @param roomId - the room to discard sessions for
     */
    forceDiscardSession(roomId: string): Promise<void>;
    /**
     * Get a list containing all of the room keys
     *
     * This should be encrypted before returning it to the user.
     *
     * @returns a promise which resolves to a list of
     *    session export objects
     */
    exportRoomKeys(): Promise<IMegolmSessionData[]>;
}
//# sourceMappingURL=crypto-api.d.ts.map