/**
 * Execute a sequence of operations.
 * Wraps `language-common/execute`, and prepends initial state for mailgun.
 * @example
 * execute(
 *   create('foo'),
 *   delete('bar')
 * )(state)
 * @private
 * @param {Operations} operations - Operations to be performed.
 * @returns {Operation}
 */
export function execute(...operations: Operations): Operation;
/**
 * Create an event
 * @public
 * @example
 * // Fetch attachment from URL
 * send({
 *   from: 'from_email',
 *   to: 'to_email',
 *   subject: 'Your Subject',
 *   text: 'Your message goes here',
 *   attachment: {
 *     url: 'www.google.com/doodle.png',
 *     filename: 'forYou.png',
 *   },
 * })
 * @example
 * // Attach from base64 string
 * send({
 *   from: 'admin@openfn.org',
 *   to: 'email@example.com',
 *   subject: 'Your invoice',
 *   text: 'Please find your invoice attached',
 *   attachment: {
 *     filename: 'invoice.pdf',
 *     data: $.data // base64 string
 *   },
 * })
 * @function
 * @param {object} params - Params for sending an email
 */
export function send(params: object): (state: any) => any;
export { alterState, beta, combine, dataPath, dataValue, each, field, fields, fn, fnIf, lastReferenceValue, log, merge, sourceValue } from "@openfn/language-common";