import { BaseEvent, User } from '@marsupialtail/idl';
export declare class Analytics {
    namespace: string | null;
    private analytics;
    /**
     * Constructs an analytics object.
     * @param filename The current file taken via `new Analytics(__filename)`.
     */
    constructor(mixpanelToken: string, filename?: string);
    /**
     * Tracks an event.
     * @param name The name of the event.
     * @param user The user the event is attached to. Use null if anonymous.
     * @param event The event object.
     */
    event: <T extends BaseEvent>(name: string, user?: User, event?: T | undefined) => void;
    /**
     * Marks experiment exposure, allowing analytics to be segmented by variant.
     * @param experimentName The name of the experiment.
     * @param experimentVariant The name of the experiment variant the user is a part of.
     * @param user The user to mark exposure for.
     */
    markExposure: (experimentName: string, experimentVariant: string, user?: User) => void;
    /**
     * Gets the namespaced name of the event.
     * @param name The base event name.
     * @returns A namespaced event name (ex. UserCreatedEvent -> endpoints.user.UserCreatedEvent).
     */
    private getEventName;
    /**
     * Registers a user for in Mixpanel with a distinct_id.
     * @param user The user to register.
     */
    private tryRegister;
    /**
     * Parses an optional filename into a namespace. Namespaces are used
     * to tell from where an event was fired.
     * @param filename The __filename of the analytics sender.
     * @returns A parsed namespace in.this.format or null.
     */
    private static parseNamespace;
    /**
     * Parses a base event into an object literal with string keys.
     * @param baseEvent The event to parse.
     * @param user The user associated with this event.
     * @returns A parsed event or undefined if the event was not present.
     */
    private static parseEvent;
}