import { NearChain } from '@galacticcouncil/xc-core';
import { NearTxObserver, NearWallet } from './types';
import { NearKeyPair } from './utils';
import { Call } from '../types';
export declare class NearSigner {
    #private;
    constructor(chain: NearChain, wallet: NearWallet | NearKeyPair);
    /**
     * Sign & submit a call, then follow it to its final outcome.
     *
     * - A key pair signs here and submits over the chain's rpc
     * - A wallet signs and submits on its own
     * - A failed receipt is reported as an error - the transaction succeeds
     *   around it, e.g. when a token refunds a transfer its receiver refused
     */
    signAndSend(call: Call, observer: NearTxObserver): Promise<void>;
    private sendWithKey;
    private sendWithWallet;
}