import { type BootSource, type FailedInstallState, type RuntimePackage, type RuntimeState, type UpdateMetadata } from "./types";
export declare function createInitialRuntimeState(): RuntimeState;
export declare const state: RuntimeState;
export declare function nowMs(): number;
export declare function nowIso(): string;
export declare function toUpdateMetadata(runtimePackage: RuntimePackage, isFirstRun: boolean): UpdateMetadata;
export interface BootHydrationInputs {
    bootSource?: BootSource;
    confirmed?: RuntimePackage | null;
    pending?: RuntimePackage | null;
    previous?: RuntimePackage | null;
    failedInstall?: FailedInstallState | null;
}
/**
 * Hydrate the disk-mirroring slots and derive `runningPackage` per the layer
 * split (Spec §Cold-Start Rehydration). This is the single source of truth
 * for translating native disk pointers into JS in-memory state.
 *
 *   state.json.current        → confirmedPackage
 *   state.json.pending        → pendingPackage
 *   state.json.previous       → previousPackage
 *   state.json.failed_install → failedInstall
 *   bootSource          → runningPackage alias
 *     embedded → null
 *     current  → confirmedPackage
 *     pending  → pendingPackage
 *
 * When `bootSource` is omitted, the alias is inferred from which seeds are
 * present (pending wins over confirmed wins over embedded).
 */
export declare function applyBootHydration(inputs: BootHydrationInputs): void;
export declare function ensureHydrated(): Promise<void>;
export declare function isCurrentlyBackgrounded(): boolean;
export declare function clearSuspendActivationTimer(): void;
export declare function activatePendingPackageOrReload(): Promise<boolean>;
export declare function scheduleSuspendActivationIfDue(): void;
export declare function restartApp(onlyIfUpdateIsPending?: boolean): Promise<void>;
export declare function disallowRestart(): void;
export declare function allowRestart(): void;
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