export default CharsetDefined;
declare class CharsetDefined extends Audit {
    /**
     * @param {LH.Artifacts} artifacts
     * @param {LH.Audit.Context} context
     * @return {Promise<LH.Audit.Product>}
     */
    static audit(artifacts: LH.Artifacts, context: LH.Audit.Context): Promise<LH.Audit.Product>;
}
export namespace UIStrings {
    let title: string;
    let failureTitle: string;
    let description: string;
}
export const CHARSET_HTML_REGEX: RegExp;
export const CHARSET_HTTP_REGEX: RegExp;
export const IANA_REGEX: RegExp;
import { Audit } from '../audit.js';
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