/**
 * Encrypt command payload definition.
 */
type Encrypt = {
    /**
     * Currently the only datasource supported is "clipboard".
     */
    datasource?: 'clipboard';
    /**
     * The text to be encrypted. Must be properly URL escaped.
     */
    text?: string;
    /**
     * The 8 character KeyID of the public key that you wish to use to encrypt the data.
     * If the KeyID is not currently in the iPGMail keychain, the operation will fail.
     */
    keyid?: string;
    /**
     * The 8 character KeyID of the private key that you wish to use to sign the data.
     * If the KeyID is not currently in the iPGMail keychain, the operation will fail.
     */
    signkey?: string;
    /**
     * Direct the resulting PGP armor text to a file or the clipboard.
     * If this option is not present, the result is still sent back to the caller in the x-success callback.
     */
    result?: 'clipboard' | string;
    /**
     * Use symmetric (i.e. password-based) crypto to encrypt the data.
     */
    symmetric?: boolean;
    /**
     * Password to use when the symmetric option is set to true.
     */
    passwd?: string;
};
/**
 * Encrypt a block of plaintext and either save it to a file or return it to the requesting app in the x-success callback.
 *
 * @param payload Encrypt command payload.
 * @returns iPGMail encrypt URL.
 * @example
 * encrypt({
 *   datasource: 'clipboard',
 *   keyid: '47E3234C',
 *   result: 'clipboard',
 * })
 * // => 'x-ipgmail://x-callback-url/encrypt?datasource=clipboard&keyid=47E3234C&result=clipboard'
 * @example
 * encrypt({
 *   text: 'This is a test...',
 * })
 * // => 'x-ipgmail://x-callback-url/encrypt?text=This%20is%20a%20test...'
 * @example
 * encrypt({
 *   datasource: 'clipboard',
 *   keyid: '47E3234C',
 *   result: 'savefile.pgp',
 * })
 * // => 'x-ipgmail://x-callback-url/encrypt?datasource=clipboard&keyid=47E3234C&result=savefile.pgp'
 * @link https://ipgmail.com/developers/
 */
export declare function encrypt(payload?: Encrypt): string;
export {};