/**
 * Queries the npm registry for new miladyai versions on the user's
 * configured release channel (stable/beta/nightly).
 */
import type { ReleaseChannel, UpdateConfig } from "../config/types.milady";
/** npm dist-tag corresponding to each release channel. */
export declare const CHANNEL_DIST_TAGS: Readonly<Record<ReleaseChannel, string>>;
export interface UpdateCheckResult {
    updateAvailable: boolean;
    currentVersion: string;
    latestVersion: string | null;
    channel: ReleaseChannel;
    distTag: string;
    /** True when the result came from the interval cache, not a live fetch. */
    cached: boolean;
    error: string | null;
}
/** Resolve the effective release channel from config, env, or default. */
export declare function resolveChannel(cfg: UpdateConfig | undefined): ReleaseChannel;
/**
 * Check whether a newer version is available.
 * Respects the check interval; pass `force: true` to bypass.
 */
export declare function checkForUpdate(options?: {
    force?: boolean;
}): Promise<UpdateCheckResult>;
/** Returns the latest published version for each channel. */
export declare function fetchAllChannelVersions(): Promise<Record<ReleaseChannel, string | null>>;
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