import { spawn, execSync } from "node:child_process";
/**
 * Strip the macOS `com.apple.quarantine` extended attribute from the extracted
 * binary so Gatekeeper does not block launch. The binary is not notarized (per
 * ADR 0014), so the quarantine flag must be removed explicitly. Uses
 * `xattr -cr` (recursively clear all extended attributes). If `xattr` is
 * unavailable or fails, a warning is logged but the install continues — the
 * binary may still run, and the user can strip the attribute manually.
 */
export declare function stripQuarantine(binaryPath: string, execSyncImpl?: typeof execSync): void;
/**
 * Launch the binary in detached mode with stdout/stderr redirected to a log
 * file. Returns the log file path.
 */
export declare function launchBinary(binaryPath: string, args: string[], logDir: string, spawnImpl?: typeof spawn): string;
/**
 * Poll a URL until it returns 200 or timeout. Returns true if the server
 * responded, false on timeout.
 */
export declare function waitForServer(url: string, timeoutMs: number, fetchImpl?: typeof fetch): Promise<boolean>;