/**
 * Environment a supervised (launchd / systemd) process must carry: the
 * installing shell's PATH plus every AIBROKER_* var, because a service manager
 * starts with neither.
 */
export declare function serviceEnv(env?: NodeJS.ProcessEnv): Record<string, string>;
export declare const xmlEscape: (s: string) => string;
/** `<key>K</key><string>V</string>` pairs for a plist EnvironmentVariables dict. */
export declare function plistEnvEntries(env: Record<string, string>): string;
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