/** Indicates the type of connection for the specified (`from_stop_id`, `to_stop_id`) pair. */
export declare enum GTFSTranferType {
    /** Recommended transfer point between routes. */
    Default = "",
    /** Recommended transfer point between routes. */
    Recommended = 0,
    /** Timed transfer point between two routes.
     * The departing vehicle is expected to wait for the arriving one and leave sufficient time for a rider to transfer between routes. */
    Timed = 1,
    /** Transfer requires a minimum amount of time between arrival and departure to ensure a connection.
     * The time required to transfer is specified by `min_transfer_time`. */
    MinTime = 2,
    /** Transfers are not possible between routes at the location. */
    Impossible = 3,
    /** Passengers can transfer from one trip to another by staying onboard the same vehicle (an "in-seat transfer"). */
    InSeat = 4,
    /** In-seat transfers are not allowed between sequential trips. */
    ProhibitedInSeat = 5
}
type Transfer = {
    /** Identifies a stop or station where a connection between routes begins. */
    from_stop_id?: string;
    /** Identifies a stop or station where a connection between routes ends. */
    to_stop_id?: string;
    /** Identifies a route where a connection begins. */
    from_route_id?: string;
    /** Identifies a route where a connection ends. */
    to_route_id?: string;
    /** Amount of time, in seconds, that must be available to permit a transfer between routes at the specified stops. */
    min_transfer_time?: number;
};
type DefaultTripTransfer = {
    /** Identifies a trip where a connection between routes begins. */
    from_trip_id?: string;
    /** Identifies a trip where a connection between routes ends. */
    to_trip_id?: string;
    /** Indicates the type of connection for the specified (`from_stop_id`, `to_stop_id`) pair. */
    transfer_type: GTFSTranferType.Default | GTFSTranferType.Recommended | GTFSTranferType.Timed | GTFSTranferType.MinTime | GTFSTranferType.Impossible;
};
type SameStationTransfer = {
    /** Identifies a trip where a connection between routes begins. */
    from_trip_id: string;
    /** Identifies a trip where a connection between routes ends. */
    to_trip_id: string;
    /** Indicates the type of connection for the specified (`from_stop_id`, `to_stop_id`) pair. */
    transfer_type: GTFSTranferType.InSeat | GTFSTranferType.ProhibitedInSeat;
};
/** When calculating an itinerary, GTFS-consuming applications interpolate transfers based on allowable time and stop proximity. */
export type GTFSTransfer = Transfer & (DefaultTripTransfer | SameStationTransfer);
export {};
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