import { KeyStorageFacade } from './KeyStorageFacade';
import { StorageFacade } from './StorageFacade';
import { StorageEntryKeysFactory } from './StorageEntryKeysFactory';
import { KeyPair } from '../crypto/RSA';
/**
 * @internal This class is meant for internal use only and may be changed without notice.
 * Simplifies access to the storage facades for iCure-specific data storage.
 */
export declare class IcureStorageFacade {
    private readonly keys;
    private readonly data;
    private readonly entryFor;
    constructor(keyStorage: KeyStorageFacade, storage: StorageFacade<string>, entryKeysFactory: StorageEntryKeysFactory);
    /**
     * Saves a key pair for the data owner.
     * @param dataOwnerId id of the data owner with the key.
     * @param publicKeyFingerprint fingerprint of the public key of the pair.
     * @param keyPair a key pair of the data owner.
     * @param isDevice true if the key was generated on this device.
     */
    saveKey(dataOwnerId: string, publicKeyFingerprint: string, keyPair: KeyPair<JsonWebKey>, isDevice: boolean): Promise<void>;
    /**
     * Get an existing key pair for the data owner.
     * @param dataOwnerId id of the data owner with the key.
     * @param publicKeyFingerprint fingerprint of a public key of the data owner.
     * @param legacyPublicKey the legacy public key of the data owner, if present (only used to know if we should search for the key in 'legacy' storage
     * locations.
     * @return the keypair and if the key was generated on this device or undefined if the key pair could not be found.
     */
    loadKey(dataOwnerId: string, publicKeyFingerprint: string, legacyPublicKey: string | undefined): Promise<{
        pair: KeyPair<JsonWebKey>;
        isDevice: boolean;
    } | undefined>;
    /**
     * Save the results of public key verification. If there were already results stored the entries will be merged. In case of conflicts the new
     * {@link verificationDetails} take priority over the stored data.
     * @param dataOwnerId id of a data owner.
     * @param verificationDetails results of verification, associates key fingerprints to true if they were verified by the user or false otherwise.
     * @return the updated keys
     */
    saveSelfVerifiedKeys(dataOwnerId: string, verificationDetails: {
        [keyFingerprint: string]: boolean;
    }): Promise<{
        [keyFingerprint: string]: boolean;
    }>;
    /**
     * Get the last saved results of public key verification.
     * @param dataOwnerId id of a data owner.
     * @return saved results of verification, associates key fingerprints to true if they were verified by the user or false otherwise. If no results
     * were saved returns an empty object instead.
     * @throws if the stored results are not in a valid format.
     */
    loadSelfVerifiedKeys(dataOwnerId: string): Promise<{
        [keyFingerprint: string]: boolean;
    }>;
    /**
     * Saves a signature and verification key pair. Overrides previously saved signature keys (but keeps signature verification keys).
     * @param dataOwnerId id of the data owner with the key.
     * @param publicKeyFingerprint fingerprint of the public key of the pair.
     * @param keyPair the key pair to save.
     */
    saveSignatureKeyPair(dataOwnerId: string, publicKeyFingerprint: string, keyPair: KeyPair<JsonWebKey>): Promise<void>;
    /**
     * Loads the signature key for the data owner.
     * @param dataOwnerId id of the data owner with the key.
     * @return the signature key for the data owner or undefined if there is no signature key stored.
     */
    loadSignatureKey(dataOwnerId: string): Promise<KeyPair<JsonWebKey> | undefined>;
    /**
     * Loads the signature verification key for a data owner with the provided fingerprint.
     * @param dataOwnerId id of the data owner with the key.
     * @param publicKeyFingerprint fingerprint of the verification key.
     * @return the requested signature verification key or undefined if the key could not be found.
     */
    loadSignatureVerificationKey(dataOwnerId: string, publicKeyFingerprint: string): Promise<JsonWebKey | undefined>;
}