import { BundleInfo } from '../bundleInfo';
export type ApplyUpdateResult = {
    status: 'applied';
} | {
    status: 'noBundle';
} | {
    status: 'disabled';
} | {
    status: 'alreadyApplied';
} | {
    status: 'blocked';
    reason: 'BUNDLE_PREVIOUSLY_FAILED';
    skippedHash?: string;
};
export declare const getUpdateState: (cached?: {
    bundleInfo?: BundleInfo | null;
    bundlePath?: string | null;
}) => Promise<{
    hasBundle: boolean;
    info: BundleInfo;
    pendingApply: boolean;
}>;
export declare const reconcileAppliedBundleOnLaunch: (cached?: {
    bundleInfo?: BundleInfo | null;
    bundlePath?: string | null;
    currentHash?: string | null;
}) => Promise<BundleInfo | null>;
export declare const applyUpdate: (onStatusUpdate?: (status: string) => void, onBeforeRestart?: () => void) => Promise<ApplyUpdateResult>;