import type * as ESTree from 'estree-jsx';
/**
 * Adds a prop to a JSXElement.
 *
 * @author Sam Scheding
 * @example
 * ```
 *  const boxNode = jsxElement({ ...node })
 *  console.log(boxNode.toString()) // --> "<Box></Box>"
 *
 *  const boxNodeWithProp = insertJSXAttribute(node, 'display', 'block')
 *  console.log(boxNodeWithProp.toString()) // --> "<Box display='block'></Box>"
 * ```
 */
export declare function insertJSXAttribute(node: ESTree.JSXElement, propName: string, propValue: ESTree.JSXAttribute['value']): ESTree.JSXElement;