export type NotePlanYesNo = 'yes' | 'no';
export type NotePlanXSuccess = {
    /**
     * Callback URL to open after NotePlan processes the action.
     */
    xSuccess?: string;
};
export type AtLeastOne<T, Keys extends keyof T = keyof T> = Omit<T, Keys> & {
    [K in Keys]-?: Required<Pick<T, K>> & Partial<Pick<T, Exclude<Keys, K>>>;
}[Keys];
export declare function notePlanUrl(action: string, params?: Record<string, unknown>, trailingSlash?: boolean): string;
export declare function xSuccessParam(xSuccess: string | undefined): {
    'x-success': string;
} | {
    'x-success'?: undefined;
};