/**
 * Definition screen tab options.
 */
type DefinitionTab = 'dict' | 'stroke' | 'chars' | 'words' | 'sents';
/**
 * Definition command payload definition.
 */
type Definition = {
    /**
     * The headword characters to display.
     *
     * @example '你好'
     */
    hw: string;
    /**
     * Optional pinyin pronunciation to differentiate homonyms.
     *
     * @example 'ni3hao3'
     */
    py?: string;
    /**
     * Optional tab to jump to in the definition screen.
     *
     * @default 'dict'
     */
    sec?: DefinitionTab;
    /**
     * The name of your app or website for display in Pleco's return button.
     *
     * @example 'MyApp'
     */
    xSource?: string;
    /**
     * A URL that Pleco should call when the user taps the return button.
     *
     * @example 'myapp://success'
     */
    xSuccess?: string;
};
/**
 * Open a definition screen in Pleco using x-callback-url standard.
 *
 * @param payload Definition command payload.
 * @returns Pleco definition URL.
 * @example
 * definition({ hw: '你好' })
 * // => 'plecoapi://x-callback-url/df?hw=%E4%BD%A0%E5%A5%BD'
 * @example
 * definition({ hw: '你好', py: 'ni3hao3', sec: 'stroke' })
 * // => 'plecoapi://x-callback-url/df?hw=%E4%BD%A0%E5%A5%BD&py=ni3hao3&sec=stroke'
 * @example
 * definition({ hw: '你好', xSource: 'MyApp', xSuccess: 'myapp://success' })
 * // => 'plecoapi://x-callback-url/df?hw=%E4%BD%A0%E5%A5%BD&x-source=MyApp&x-success=myapp%3A%2F%2Fsuccess'
 * @link https://iphone.pleco.com/manual/30200/vershist.html
 */
export declare function definition(payload: Definition): string;
export {};