/**
 * Provide methods to communicate with [CasperLabs Signer Extension](https://github.com/casper-ecosystem/signer).
 * Works only on browser.
 *
 * @packageDocumentation
 */
import { JsonTypes } from 'typedjson';
import { CasperLabsHelper, SignerTestingHelper } from '../../@types/casperlabsSigner';
declare global {
    interface Window {
        casperlabsHelper: CasperLabsHelper;
        signerTestingHelper: SignerTestingHelper;
    }
}
/**
 * Gets the current Signer version
 * @returns The current Signer version
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const getVersion: () => Promise<string>;
/**
 * Checks whether CasperLabs Signer extension is connected
 * @returns `true` if the Signer is connected to the current website
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const isConnected: () => Promise<boolean>;
/**
 * Attempt connection to Signer
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const sendConnectionRequest: () => void;
/**
 * Gets the public key currently selected in the Signer in base64 format
 * @deprecated in favour of {@link Signer.getActivePublicKey}.
 * @returns `Promise` that resolves to a `base64` encoded public key string of the currently selected account
 *
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const getSelectedPublicKeyBase64: () => Promise<string>;
/**
 * Retrieve the active public key.
 *
 * @returns {string} Hex-encoded public key with algorithm prefix, where 01 indicates an Ed25519 key and 02 indicates Secp256k1
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const getActivePublicKey: () => Promise<string>;
/**
 * Send Deploy in JSON format to Signer extension to be signed.
 *
 * @param deploy A deploy in JSON format
 * @param signingPublicKeyHex Hex-formatted public key. The corresponding secret key is used to sign the deploy.
 * @param {string} targetPublicKeyHex Hex-formatted target public key.
 * If the `target` in the deploy is an account hash this can be used to verify it and display the hex-formatted public key in the UI.
 *
 * @returns A signed JSON deploy object
 *
 * @throws Errors if the Signer extension is not connected.
 * @throws Errors if signingPublicKeyHex is not available or does not match the Active Key in the Signer.
 * @throws Errors if targetPublicKeyHex is not the same as the key (or corresponding account hash) that is used as target in deploy.
 */
export declare const sign: (deploy: {
    deploy: JsonTypes;
}, signingPublicKeyHex: string, targetPublicKeyHex?: string) => Promise<{
    deploy: JsonTypes;
}>;
/**
 * Initiates a signature request with the Signer. Used for signing messages
 * @param {string} message The message to sign
 * @param {string} signingPublicKey The public key of the signing account
 * @returns A `Promise` that resolves to the signed message
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const signMessage: (message: string, signingPublicKey: string) => Promise<string>;
/**
 * Disconnects from the currently open site
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const disconnectFromSite: () => void;
/**
 * Forces Signer to connect to the currently open site
 * @throws `Error` if the Signer isn't available to the JavaScript client
 */
export declare const forceConnection: () => void;
/**
 * Forces Signer to disconnect from the currently open site
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const forceDisconnect: () => void;
/**
 * Query the Signer to check if the user has created a vault
 * @returns A `Promise` that resolves to a `boolean` indicating whether the user has or hasn't created a vault
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const hasCreatedVault: () => Promise<boolean>;
/**
 * Initiates a request to reset the user's existing vault
 * @returns A `Promise` that resolves to `void`
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const resetExistingVault: () => Promise<void>;
/**
 * Initiates a request to create a new vault within the Signer
 * @param {string} password The password of the new vault
 * @returns A `Promise` that resolves to `void`
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const createNewVault: (password: string) => Promise<void>;
/**
 * Initiates a request to create a test account within the Signer
 * @param {string} name The name of the test account
 * @param {string} privateKey The private key of the new test account
 * @returns A `Promise` that resolves to `void`
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 */
export declare const createTestAccount: (name: string, privateKey: string) => Promise<void>;
/**
 * Gets the current transaction nonce
 * @returns A `Promise` that resolves to the transaction nonce, or `null`
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 * @privateRemarks Documentation needs reviewing
 */
export declare const getToSignMessageID: () => Promise<number | null>;
/**
 * Sign a test deploy with a given id (nonce)
 * @param {number} msgId The transaction id
 * @returns A `Promise` that resolves to `void`
 * @throws `Error` if the JavaScript client isn't connected to the CasperLabs Signer browser extension
 * @privateRemarks Documentation needs reviewing
 */
export declare const signTestDeploy: (msgId: number) => Promise<void>;