import { RainwayAsyncCallback_RainwayVoid__RainwayErrorType } from "../rainway-ffi";
/** @internal */
export declare class Callback_RainwayVoid__RainwayError {
    readonly promise: Promise<void>;
    readonly callbackState: RainwayAsyncCallback_RainwayVoid__RainwayErrorType;
    private pinned;
    private onResolve?;
    private onReject?;
    private callbackUserData;
    private onSuccess;
    private onFailure;
    /** @internal */
    constructor();
}
