/**
 * Calc command payload definition.
 */
type Calc = {
    /**
     * The text to calculate, from simple query like '2+2=>' to full document.
     */
    body: string;
    /**
     * The callback URL to open after calculation.
     * If contains '[[output]]', it will be replaced with the calculated text.
     */
    xSuccess: string;
};
/**
 * Calculate a block of text in Calca and return the result to the calling application.
 *
 * @param payload Calc command payload.
 * @returns Calca calc URL.
 * @example
 * calc({ body: '2+2=>', xSuccess: 'app://callback' })
 * // => 'calca://x-callback-url/calc?body=2%2B2%3D&x-success=app%3A%2F%2Fcallback'
 * @example
 * calc({ body: '10*10=>', xSuccess: 'myapp://result?data=[[output]]' })
 * // => 'calca://x-callback-url/calc?body=10%2A10%3D&x-success=myapp%3A%2F%2Fresult%3Fdata%3D%5B%5Boutput%5D%5D'
 * @link http://calca.io/x-callback-url/
 */
export declare function calc(payload: Calc): string;
export {};