export type PlatformServiceMessages = {
    /**
     * Origin: Webview.
     * Requests that a deeplink be open by whichever platform the client is running in.
     */
    openURL: (url: string) => Promise<void>;
    /**
     * Origin: Webview.
     * Opens the URL in a secure browser window for authentication.
     *
     * Resolves with the URL used to deeplink back to this app.
     */
    openAuthenticationWindow: (props: {
        url: string;
        redirectUrl?: string;
    }) => Promise<string>;
    /**
     * Origin: Webview.
     * Open a OS popup to download a file.
     */
    downloadFile: (props: {
        base64Content: string;
        fileName: string;
        mimeType: string;
    }) => Promise<void>;
    /**
     * Origin: Client (React Native).
     * Notifies the webview of an incoming deep link URL.
     * Used for wallet redirect flows (e.g., Phantom) where the wallet app
     * redirects back to the app with connection data in the URL.
     */
    incomingUrl: (url: string) => void;
};