/** NEL policy API. */
export interface NELPolicy {
    /** NEL policy lifetime. */
    readonly max_age: number;
    /** Endpoint group to which the report will be sent. */
    readonly report_to?: string;
    /** Whether to enable origin subdomains. */
    readonly include_subdomains?: boolean;
    /** Sampling rate for successful network requests. */
    readonly success_fraction?: number;
    /** Sampling rate for failed network requests. */
    readonly failure_fraction?: number;
    /** Request header field to be included in the report. */
    readonly request_headers?: readonly string[];
    /** Response header field to be included in the report. */
    readonly response_headers?: readonly string[];
}