import { InstallMethod, PerformUpdateOptions, UpdateInstallResult, installDirectBinary, installViaPackageManager } from "./update/installers.js";
export { DEFAULT_MIRROR_BASE, ELEVATION_TIMEOUT_MS, PACKAGE_NAME, REPO, currentPlatformTarget, downloadBinary, mirrorBaseUrl } from "./update/installers.js";
export { installDirectBinary, installViaPackageManager };
export type { DownloadProgress, InstallMethod, InstallMethodType, PerformUpdateOptions, PlatformTarget, SecretRequester, UpdateElevation, UpdateInstallResult, UpdateProgress } from "./update/installers.js";
export interface DetectEnv {
    readonly argv1: string;
    readonly execPath: string;
    readonly platform: NodeJS.Platform;
    readonly home: string;
    npmRoot?: string;
    bunRoot?: string;
    brewPrefix?: string;
    scoopShimsDir?: string;
}
export declare function detectInstallMethod(env: DetectEnv): InstallMethod;
export declare function resolveInstallEnv(): Promise<DetectEnv>;
export declare function performUpdate(options: PerformUpdateOptions): Promise<UpdateInstallResult>;