import { default as VIP030026BaseCredential } from './VIP030026BaseCredential';
import { IVIP030026PrivateKeyCredential, IVIP030026PrivateKeyCredentialGenerateOptions } from '../types';
/**
 * The private key credential adheres to the VIP-03-0026 standard that allows  providers to create a credential that
 * can be used to sign client message response and ensure the integrity of the message result.
 *
 * **NOTE:** A VIP-03-0026 private key credential should be exclusively used by the provider and should not be exposed
 * to the client.
 */
export default class VIP030026PrivateKeyCredential extends VIP030026BaseCredential<IVIP030026PrivateKeyCredential> {
    /**
     * public static methods
     */
    /**
     * Creates a credential from raw bytes.
     * @param {Uint8Array} credential - A VIP-03-0026 credential as raw bytes.
     * @returns {VIP030026PublicKeyCredential} An initialized VIP030026PublicKeyCredential.
     * @throws {VIP030026InvalidCredentialLengthError} If the credential length is invalid.
     * @static
     * @public
     */
    static fromBytes(credential: Uint8Array): VIP030026PrivateKeyCredential;
    /**
     * Creates a credential from a JSON.
     * @param {IVIP030026PrivateKeyCredential} credential - A JSON containing the values of a credential.
     * @returns {VIP030026PrivateKeyCredential} An initialized VIP030026PrivateKeyCredential.
     * @throws {VIP030026UnsupportedAlgorithmIDError} If the algorithm is unsupported.
     * @throws {VIP030026InvalidCredentialLengthError} If the credential length is invalid.
     * @static
     * @public
     */
    static fromJSON(credential: IVIP030026PrivateKeyCredential): VIP030026PrivateKeyCredential;
    /**
     * Generates a new VIP-03-0026 compliant private key credential. If no algorithm or ID are defined, Ed25519 is used to
     * create the private key and a random unique UUID is used.
     * @param {IVIP030026PrivateKeyCredentialGenerateOptions} options - [optional] The algorithm and a UUID identifier.
     * @returns {VIP030026PrivateKeyCredential} An initialized VIP030026PrivateKeyCredential.
     * @throws {VIP030026UnsupportedAlgorithmIDError} If the supplied algorithm is unsupported.
     * @throws {VIP030026InvalidCredentialLengthError} If the supplied cause the credential length to be invalid.
     * @static
     * @public
     */
    static generate(options?: IVIP030026PrivateKeyCredentialGenerateOptions): VIP030026PrivateKeyCredential;
    /**
     * protected methods
     */
    /**
     * Gets the raw public key bytes from the credential.
     * @returns {Uint8Array} The raw public key bytes.
     * @protected
     */
    protected _publicKeyBytes(): Uint8Array;
    /**
     * Gets the raw private key bytes from the credential.
     * @returns {Uint8Array} The raw private key bytes.
     * @protected
     */
    protected _privateKeyBytes(): Uint8Array;
    /**
     * public methods
     */
    /**
     * Gets the base64 encoded private key of the credential.
     * @returns {string} The private key as a base64 encoded string.
     * @public
     */
    privateKey(): string;
    /**
     * Signs a hash of the supplied bytes using the provided credentials.
     * @param {Uint8Array} bytes - The bytes to be signed.
     * @returns {Uint8Array} The signature of the .
     */
    sign(bytes: Uint8Array): Uint8Array;
    /**
     * Gets the credential as a JSON.
     * @returns {IVIP030026PrivateKeyCredential} The credential formatted as a JSON.
     * @throws {VIP030026UnsupportedAlgorithmIDError} If the algorithm is unsupported.
     * @public
     */
    toJSON(): IVIP030026PrivateKeyCredential;
}
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