/**
 * Class to expose flight checks on sp-loader
 *
 * @internal
 */
export default class SPLoaderFlights {
    static _isSafariAuthPatchEnabled(): boolean;
    static _isMinimalStartFlightEnabled(): boolean;
    static _isOptimisticPreloadEnabled(): boolean;
    static _isSafariIsolationEnabled(): boolean;
    static _isErrorNautEnabled(): boolean;
}
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