1import { Android, ExpoConfig, IOS } from '@expo/config-types';
2export type ExpoConfigUpdates = Pick<ExpoConfig, 'sdkVersion' | 'owner' | 'runtimeVersion' | 'updates' | 'slug'>;
3export declare function getExpoUpdatesPackageVersion(projectRoot: string): string | null;
4export declare function getUpdateUrl(config: Pick<ExpoConfigUpdates, 'updates'>): string | null;
5export declare function getAppVersion(config: Pick<ExpoConfig, 'version'>): string;
6export declare function getNativeVersion(config: Pick<ExpoConfig, 'version'> & {
7    android?: Pick<Android, 'versionCode'>;
8    ios?: Pick<IOS, 'buildNumber'>;
9}, platform: 'android' | 'ios'): string;
10/**
11 * Compute runtime version policies.
12 * @return an expoConfig with only string valued platform specific runtime versions.
13 */
14export declare const withRuntimeVersion: (config: ExpoConfig) => ExpoConfig;
15export declare function getRuntimeVersionNullable(...[config, platform]: Parameters<typeof getRuntimeVersion>): string | null;
16export declare function getRuntimeVersion(config: Pick<ExpoConfig, 'version' | 'runtimeVersion' | 'sdkVersion'> & {
17    android?: Pick<Android, 'versionCode' | 'runtimeVersion'>;
18    ios?: Pick<IOS, 'buildNumber' | 'runtimeVersion'>;
19}, platform: 'android' | 'ios'): string | null;
20export declare function getSDKVersion(config: Pick<ExpoConfigUpdates, 'sdkVersion'>): string | null;
21export declare function getUpdatesEnabled(config: Pick<ExpoConfigUpdates, 'updates'>): boolean;
22export declare function getUpdatesTimeout(config: Pick<ExpoConfigUpdates, 'updates'>): number;
23export declare function getUpdatesCheckOnLaunch(config: Pick<ExpoConfigUpdates, 'updates'>, expoUpdatesPackageVersion?: string | null): 'NEVER' | 'ERROR_RECOVERY_ONLY' | 'ALWAYS' | 'WIFI_ONLY';
24export declare function getUpdatesCodeSigningCertificate(projectRoot: string, config: Pick<ExpoConfigUpdates, 'updates'>): string | undefined;
25export declare function getUpdatesCodeSigningMetadata(config: Pick<ExpoConfigUpdates, 'updates'>): NonNullable<ExpoConfigUpdates['updates']>['codeSigningMetadata'];
26export declare function getUpdatesCodeSigningMetadataStringified(config: Pick<ExpoConfigUpdates, 'updates'>): string | undefined;
27export declare function getUpdatesRequestHeaders(config: Pick<ExpoConfigUpdates, 'updates'>): NonNullable<ExpoConfigUpdates['updates']>['requestHeaders'];
28export declare function getUpdatesRequestHeadersStringified(config: Pick<ExpoConfigUpdates, 'updates'>): string | undefined;
29