/**
 * Calculate command payload definition.
 */
type Calculate = {
    /**
     * The expression to evaluate.
     *
     * @example 'lunch was $55 + 25% tip'
     */
    expression: string;
    /**
     * Whether to copy the result to clipboard.
     *
     * @default true
     */
    toClipboard?: boolean;
};
/**
 * Evaluate an expression and put the result onto the clipboard in Soulver.
 *
 * @param payload Calculate command payload.
 * @returns Soulver calculate URL.
 * @example
 * calculate({ expression: 'lunch was $55 + 25% tip' })
 * // => 'x-soulver://x-callback-url/calculate?expression=lunch%20was%20%2455%20%2B%2025%25%20tip'
 * @example
 * calculate({ expression: 'lunch was $55 + 25% tip', toClipboard: true })
 * // => 'x-soulver://x-callback-url/calculate?expression=lunch%20was%20%2455%20%2B%2025%25%20tip&to_clipboard=true'
 * @link https://documentation.soulver.app/documentation/integrations/url-schemes
 */
export declare function calculate(payload: Calculate): string;
export {};