/**
 * An object used to manage the query segment of the current page's URL.
 * * Get hands-on experience with the URL query parameters on the [Hello Query Parameters](https://dev.wix.com/docs/coding-examples/getting-started/hello-world/hello-query-parameters) example page.
 */
export interface QueryParams {
    /**
     * Adds query parameters to the current page's URL.
     *
     * Adds one or more query parameters to the current page's URL.
     *
     *  The `add()` method can only be used when browser
     *  [rendering](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/frontend-code/page-rendering/about-page-rendering) happens,
     *  meaning you can only use it in frontend code after the page is ready.
     *
     *  If a specified key already exists as a query parameter, the
     *  newly specified value overwrites the key's previous value.
     *
     *  Calling the `add()` method triggers `onChange()`
     *  if it has been registered.
     *  > **Note:** To retrieve the page's current query parameters, use the
     *  `query` method.
     * @param toAdd - An object containing a `key:value` pair
     *  for each query parameter to add to the URL, where the object's
     *  keys are the query parameter keys and the object's values
     *  are the corresponding query parameter values.
     * @requiredField toAdd
     */
    add(toAdd: object): Promise<void>;
    /**
     * Removes query parameters from the current page's URL.
     *
     * Removes 1 or more query parameters to the current page's URL.
     *
     *  The `remove()` method can only be used when browser
     *  [rendering](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/frontend-code/page-rendering/about-page-rendering) happens,
     *  meaning you can only use it in frontend code after the page is ready.
     *
     *  If a specified key doesn't exist as a query parameter, it
     *  is ignored.
     *
     *  Calling the `remove()` method triggers `onChange()`
     *  if it has been registered.
     *  > **Note:** To retrieve the page's current query parameters, use the
     *  `query` method.
     * @param toRemove - List of keys to remove.
     * @requiredField toRemove
     */
    remove(toRemove: string[]): Promise<void>;
}
/**
 * Adds query parameters to the current page's URL.
 *
 * Adds one or more query parameters to the current page's URL.
 *
 *  The `add()` method can only be used when browser
 *  [rendering](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/frontend-code/page-rendering/about-page-rendering) happens,
 *  meaning you can only use it in frontend code after the page is ready.
 *
 *  If a specified key already exists as a query parameter, the
 *  newly specified value overwrites the key's previous value.
 *
 *  Calling the `add()` method triggers `onChange()`
 *  if it has been registered.
 *  > **Note:** To retrieve the page's current query parameters, use the
 *  `query` method.
 * @param toAdd - An object containing a `key:value` pair
 *  for each query parameter to add to the URL, where the object's
 *  keys are the query parameter keys and the object's values
 *  are the corresponding query parameter values.
 * @requiredField toAdd
 */
export function add(toAdd: object): Promise<void>;
/**
 * Removes query parameters from the current page's URL.
 *
 * Removes 1 or more query parameters to the current page's URL.
 *
 *  The `remove()` method can only be used when browser
 *  [rendering](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/frontend-code/page-rendering/about-page-rendering) happens,
 *  meaning you can only use it in frontend code after the page is ready.
 *
 *  If a specified key doesn't exist as a query parameter, it
 *  is ignored.
 *
 *  Calling the `remove()` method triggers `onChange()`
 *  if it has been registered.
 *  > **Note:** To retrieve the page's current query parameters, use the
 *  `query` method.
 * @param toRemove - List of keys to remove.
 * @requiredField toRemove
 */
export function remove(toRemove: string[]): Promise<void>;