/**
 * Platform detection utilities.
 * Many modules rely on macOS-specific features (osascript, Calendar.app, Reminders.app).
 */
/**
 * Assert that the current platform is macOS.
 * Throws an error if running on any other OS.
 */
export declare function assertMacOS(): void;
/**
 * Check whether the current platform is macOS.
 */
export declare function isMacOS(): boolean;
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