/**
 * Returns a nonce hash included by Webpack or the one defined manually by developer.
 * https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/nonce
 * https://webpack.js.org/guides/csp/
 */
export declare const getNonce: () => string | undefined;
/**
 * Signs the style tag with a base64-encoded string (nonce) to conforms to Content Security Policies.
 * This function has to be invoked before any picker is rendered if you aren't using Webpack for CSP.
 */
export declare const setNonce: (hash: string) => void;