import { Provider } from '../provider';
import { AddTransactionResponse, KeyPair, Signature, Transaction } from '../types';
import { TypedData } from '../utils/typedData';
import { SignerInterface } from './interface';
export declare class Signer extends Provider implements SignerInterface {
    address: string;
    private keyPair;
    constructor(provider: Provider, address: string, keyPair: KeyPair);
    /**
     * Invoke a function on the starknet contract
     *
     * [Reference](https://github.com/starkware-libs/cairo-lang/blob/f464ec4797361b6be8989e36e02ec690e74ef285/src/starkware/starknet/services/api/gateway/gateway_client.py#L13-L17)
     *
     * @param transaction - transaction to be invoked
     * @returns a confirmation of invoking a function on the starknet contract
     */
    addTransaction(transaction: Transaction): Promise<AddTransactionResponse>;
    /**
     * Sign an JSON object with the starknet private key and return the signature
     *
     * @param json - JSON object to be signed
     * @returns the signature of the JSON object
     * @throws {Error} if the JSON object is not a valid JSON
     */
    signMessage(typedData: TypedData): Promise<Signature>;
    /**
     * Hash a JSON object with pederson hash and return the hash
     *
     * @param json - JSON object to be hashed
     * @returns the hash of the JSON object
     * @throws {Error} if the JSON object is not a valid JSON
     */
    hashMessage(typedData: TypedData): Promise<string>;
}