export declare const sanitizeAnalyticsUrl: (value: unknown, sensitiveKeys?: RegExp) => string | undefined;
export declare const analyticsUrlSanitizerSource: string;
/** Snapshot before filtering so custom toJSON values cannot bypass the export policy. */
export declare const sanitizeAnalyticsExport: (value: unknown) => unknown;
export type RudderstackTrackEvent = {
    type: 'track';
    event: string;
    userId: string;
    messageId: string;
    timestamp?: string;
    properties: Record<string, unknown>;
};
/** Provider-neutral normalized input shared by browser and server destinations. */
export declare const toRudderstackTrackEvent: (input: {
    distinctId: string;
    event: string;
    messageId: string;
    timestamp?: string;
    properties?: Record<string, unknown>;
}) => RudderstackTrackEvent;