/**
 * Object representing a particular part of the system affected by an alert
 */
export declare class InformedEntity {
    activities: string[];
    /**
     * Unique id of a trip
     */
    trip?: string;
    /**
     * Unique id of a stop
     */
    stop?: string;
    /**
     * | Value | Name          | Example    |
     * |-------|---------------|------------|
     * | `0`   | Light Rail    | Green Line |
     * | `1`   | Heavy Rail    | Red Line   |
     * | `2`   | Commuter Rail |            |
     * | `3`   | Bus           |            |
     * | `4`   | Ferry         |            |
     *
     */
    routeType?: number;
    /**
     * Unique id of a route
     */
    route?: string;
    /**
     * Unique id of a facility
     */
    facility?: string;
    /**
     * Direction in which trip is traveling: `0` or `1`.
     *
     * The meaning of `direction_id` varies based on the route. You can programmatically get the direction names from `/routes` `/data/{index}/attributes/direction_names` or `/routes/{id}` `/data/attributes/direction_names`.
     *
     *
     */
    directionId?: number;
}