import { spawn, execSync } from "node:child_process";
import { type Platform } from "./platform.js";
import { parseFlags, printUsage, DEFAULT_VERSION, DEFAULT_ENDPOINT, type InstallerFlags } from "./flags.js";
export { parseFlags, printUsage, DEFAULT_VERSION, DEFAULT_ENDPOINT };
export type { InstallerFlags };
/**
 * Main installer entry point. Returns the exit code (0 = success, non-zero =
 * error). Designed to be callable from both the bin script and tests.
 */
export declare function runInstaller(flags: InstallerFlags, opts?: {
    platform?: Platform;
    homeDir?: string;
    fetchImpl?: typeof fetch;
    spawnImpl?: typeof spawn;
    /** Override for child_process.execSync (testing). */
    execSyncImpl?: typeof execSync;
    publicKeyHex?: string;
}): Promise<number>;