/**
 * Open project command payload definition.
 */
type OpenProject = {
    /**
     * The title of the project.
     *
     * @example 'Welcome'
     */
    title?: string;
    /**
     * The project title (alternative to title).
     */
    projectTitle?: string;
    /**
     * The identifier of the project.
     */
    identifier?: string;
    /**
     * Open in a separate window (New in Agenda 18.0).
     */
    separateWindow?: boolean;
};
/**
 * Open a project identified by title or identifier.
 *
 * @param payload Open project command payload.
 * @returns Agenda open project URL.
 * @example
 * openProject({ title: 'Welcome' })
 * // => 'agenda://x-callback-url/open-project?title=Welcome'
 * @example
 * openProject({ identifier: 'project-123' })
 * // => 'agenda://x-callback-url/open-project?identifier=project-123'
 * @example
 * openProject({ title: 'Welcome', separateWindow: true })
 * // => 'agenda://x-callback-url/open-project?title=Welcome&separate-window=true'
 * @link https://agenda.community/t/x-callback-url-support-and-reference/27253
 */
export declare function openProject(payload?: OpenProject): string;
export {};