import type IBrowserSettings from './types/IBrowserSettings.js';
import type IOptionalBrowserSettings from './types/IOptionalBrowserSettings.js';
/**
 * Browser settings utility.
 */
export default class BrowserSettingsFactory {
    /**
     * Returns browser settings.
     *
     * @param [settings] Browser settings.
     * @returns Settings.
     */
    static createSettings(settings?: IOptionalBrowserSettings): IBrowserSettings;
    /**
     * Validates settings.
     *
     * @param target Target.
     * @param source Source.
     * @param [parentNamespace] Parent namespace.
     */
    private static validate;
}
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