/**
 * DialogService — foreground user interaction for caught verification hits:
 * a native confirmation dialog ("Copy code 482913?") and a hand-off to the
 * default browser for sign-in links. Zero npm deps.
 *
 * Dialogs are macOS-only for now (AppleScript `display dialog`, same
 * mechanism as the auto-calendar confirmation); other platforms report
 * `unavailable` so callers can fall back to notification-only behavior.
 * The script is piped via stdin so dialog text (which includes the code)
 * never appears in `ps` output.
 */
export interface DialogResult {
    outcome: 'confirmed' | 'declined' | 'unavailable';
    /** The clicked button label (only when outcome is `confirmed`). */
    button?: string;
}
export interface ConfirmOptions {
    buttons: string[];
    defaultButton?: string;
    /** Dialog auto-dismiss (→ `unavailable`) after this many seconds. */
    timeoutSeconds?: number;
}
export default class DialogService {
    private readonly platform;
    constructor(opts?: {
        platform?: NodeJS.Platform;
    });
    /** Whether blocking confirmation dialogs work on this platform. */
    get dialogsSupported(): boolean;
    /**
     * Show a native confirmation dialog. A clicked non-Cancel button confirms;
     * Cancel declines; timeout, missing platform support, or any execution
     * failure yields `unavailable` (callers should degrade to notify-only —
     * never act as if the user consented).
     */
    confirmAction(title: string, message: string, opts: ConfirmOptions): Promise<DialogResult>;
    /** Open an http(s) URL in the default browser. Never throws. */
    openUrl(url: string): Promise<boolean>;
}
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