import type { HexString } from '@polkadot/util/types';
export type Result<TData> = {
    success: boolean;
} & ({
    success: true;
    data: TData;
} | {
    success: false;
    error: string;
});
export declare const isError: <TData>(result: Result<TData>) => result is {
    success: false;
    error: string;
};
export declare const isSuccess: <TData>(result: Result<TData>) => result is {
    success: true;
    data: TData;
};
export declare class ResultObject {
    static success<TData>(data: TData): Result<TData>;
    static error<TData>(error: string): Result<TData>;
}
export type GetAccountResult = {
    address: string;
};
export type SignSignerPayloadResult = {
    signature: HexString;
};
export type TransactionInfo = {
    hash: string;
    block: string;
    sender: string;
    destination: string;
    amount: string | number;
    fee: string;
};
export type SignAndSendExtrinsicTransactionResult = {
    transaction: TransactionInfo;
};
export type TransferNativeAssetResult = {
    transaction: TransactionInfo;
};