import type { AgentConfig } from './config.js';
import { type EmergencyReleaseManifest, type ReleaseChannel } from './emergency-upgrade.js';
import { startExternalWorkerUpgrade } from './external-upgrade.js';
import { type ExternalUpgradeJob } from './upgrade-job.js';
import { type PreparedRuntimeBundle, type RuntimeReleaseManifest } from './runtime-release.js';
import { stageRuntimeBundle } from './version-stager.js';
export declare const WEB_UPGRADE_PROTOCOL_VERSION = 1;
export declare const WEB_UPGRADE_MIN_AGENT_VERSION = "0.1.294";
export interface WebUpgradeDependencies {
    send: (message: Record<string, unknown>) => void;
    config: AgentConfig;
    fetchChannelManifest?: (channel: ReleaseChannel) => Promise<EmergencyReleaseManifest>;
    fetchRuntime?: (version: string) => Promise<{
        manifest: RuntimeReleaseManifest;
        manifestUrl: string;
    }>;
    prepareRuntime?: (manifest: RuntimeReleaseManifest) => Promise<PreparedRuntimeBundle>;
    stageRuntime?: typeof stageRuntimeBundle;
    startUpgrade?: typeof startExternalWorkerUpgrade;
    setInterval?: typeof globalThis.setInterval;
    clearInterval?: typeof globalThis.clearInterval;
    isAdopted?: () => boolean;
    nodeMajor?: number;
}
export declare function serializeWebUpgradeJob(job: ExternalUpgradeJob): Record<string, unknown>;
export declare function handleWebUpgradeMessage(message: {
    type: string;
    [key: string]: unknown;
}, deps: WebUpgradeDependencies): boolean;