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use crate::directions::request::{transit_route_preference::TransitRoutePreference, Request}; // crate::directions::request
impl<'a> Request<'a> {
/// Specifies the preferences for transit routes.
///
/// ## Arguments
///
/// * `transit_route_preference` ‧ The preference of the transit rider;
/// should the directions service try to reduce the amount of _walking_ to
/// reach the destination, or reduce the number of bus _transfers_?
///
/// ## Description
///
/// Specifies preferences for transit routes. Using this parameter, you can
/// bias the options returned, rather than accepting the default best route
/// chosen by the API. This parameter may only be specified for transit
/// directions, and only if the request includes an API key or a Google Maps
/// Platform Premium Plan client ID. The parameter supports the following
/// arguments:
///
/// * `TransitRoutePreference::LessWalking` indicates that the calculated
/// route should prefer limited amounts of walking.
///
/// * `TransitRoutePreference::FewerTransfers` indicates that the
/// calculated route should prefer a limited number of transfers.
///
/// ## Example
///
/// * Set transit route preference to fewer transfers:
/// ```rust
/// .with_transit_route_preference(TransitRoutePreference::FewerTransfers)
/// ```
pub fn with_transit_route_preference(
&'a mut self,
transit_route_preference: TransitRoutePreference,
) -> &'a mut Self {
self.transit_route_preference = Some(transit_route_preference);
self
} // fn
} // impl