export type AstroTelemetryOptions = {
    astroVersion: string;
    viteVersion: string;
};
export type TelemetryEvent = {
    eventName: string;
    payload: Record<string, any>;
};
export declare class AstroTelemetry {
    private opts;
    private _anonymousSessionId;
    private _anonymousProjectInfo;
    private config;
    private isCI;
    private env;
    private get astroVersion();
    private get viteVersion();
    private get ASTRO_TELEMETRY_DISABLED();
    private get TELEMETRY_DISABLED();
    constructor(opts: AstroTelemetryOptions);
    /**
     * Get value from either the global config or the provided fallback.
     * If value is not set, the fallback is saved to the global config,
     * persisted for later sessions.
     */
    private getConfigWithFallback;
    private get enabled();
    private get notifyDate();
    private get anonymousId();
    private get anonymousSessionId();
    private get anonymousProjectInfo();
    private get isDisabled();
    setEnabled(value: boolean): void;
    clear(): void;
    isValidNotice(): boolean;
    notify(callback: () => boolean | Promise<boolean>): Promise<void>;
    record(event?: TelemetryEvent | TelemetryEvent[]): Promise<any>;
}