import { ethers } from "ethers";
import type { Logger, UnsignedTransaction } from "./interfaces.js";
export declare function getErrorMessage(err: unknown): string;
export declare function logAxiosError(error: unknown, logger: Logger): void;
export declare function logAxiosRequestError(err: unknown, logger: Logger): void;
export declare function preregisterAttribute(taoDid: string, attributeIdTao: string, taoPrivateKeyHex: string, trustedIssuersRegistryApiJsonrpcUrl: string, ledgerApiUrl: string, logger: Logger, did: string, issuerType: number, revisionId: string, accessToken: string): Promise<void>;
export declare function signAndSendTransaction(unsignedTransaction: UnsignedTransaction, wallet: ethers.Wallet, jsonrpcEndpoint: string, logger: Logger, accessToken: string): Promise<{
    error: unknown;
    success: false;
} | {
    success: true;
    txId: string;
}>;
export declare function waitToBeMined(ledgerApiUrl: string, logger: Logger, txId: string): Promise<{
    error: Error;
    success: false;
} | {
    success: true;
}>;
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