export declare enum IACMessageType {
    AccountShareRequest = 3,
    AccountShareResponse = 4,
    TransactionSignRequest = 5,
    TransactionSignResponse = 6,
    MessageSignRequest = 7,
    MessageSignResponse = 8
}
export declare type Result<T, E> = Success<T> | Failure<E>;
export interface Success<T> {
    ok: true;
    value: T;
}
export interface Failure<E> {
    ok: false;
    error: E;
}
export declare function success<T>(value: T): Result<T, never>;
export declare function failure<E>(error: E): Result<never, E>;