export function reducer(state: {} | undefined, action: any): {};
export function middleware(): () => (next: any) => (action: any) => void;
export const STATE_UPDATE: "uppy/STATE_UPDATE";
/**
 * Redux store.
 *
 * @param {object} opts.store - The Redux store to use.
 * @param {string} opts.id - This store instance's ID. Defaults to a random string.
 *    If you need to access Uppy state through Redux, eg. to render custom UI, set this to something constant.
 * @param {Function} opts.selector - Function, `(state) => uppyState`, to pluck state from the Redux store.
 *    Defaults to retrieving `state.uppy[opts.id]`. Override if you placed Uppy state elsewhere in the Redux store.
 */
export class ReduxStore {
    static VERSION: string;
    constructor(opts: any);
    setState(patch: any): void;
    getState(): any;
    subscribe(cb: any): any;
    #private;
}
export default ReduxStore;
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