type Period = {
    /** Defines the beginning of a timeframe. The interval includes the start time. */
    start_time: string;
    /** Defines the end of a timeframe. The interval does not include the end time. */
    end_time: string;
};
type NeverPeriod = {
    /** Defines the beginning of a timeframe. The interval includes the start time. */
    start_time?: undefined | '';
    /** Defines the end of a timeframe. The interval does not include the end time. */
    end_time?: undefined | '';
};
type Timeframe = {
    /** Identifies a timeframe or set of timeframes. */
    timeframe_group_id: string;
    /** Identifies a set of dates that a timeframe is in effect. */
    service_id: string;
};
/** Date and time period to use in fare rules for fares that depend on date and time factors. */
export type GTFSTimeframe = Timeframe & (Period | NeverPeriod);
export {};
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