pub use anyhow::{anyhow, Result};use futures::future::BoxFuture;use isahc::config::{Configurable, RedirectPolicy};pub use isahc::{    http::{Method, Uri},    Error,};pub use isahc::{AsyncBody, Request, Response};use smol::future::FutureExt;#[cfg(feature = "test-support")]use std::fmt;use std::{sync::Arc, time::Duration};pub use url::Url; pub trait HttpClient: Send + Sync {    fn send(&self, req: Request<AsyncBody>) -> BoxFuture<Result<Response<AsyncBody>, Error>>;     fn get<'a>(        &'a self,        uri: &str,        body: AsyncBody,        follow_redirects: bool,    ) -> BoxFuture<'a, Result<Response<AsyncBody>, Error>> {        let request = isahc::Request::builder()            .redirect_policy(if follow_redirects {                RedirectPolicy::Follow            } else {                RedirectPolicy::None            })            .method(Method::GET)            .uri(uri)            .body(body);        match request {            Ok(request) => self.send(request),            Err(error) => async move { Err(error.into()) }.boxed(),        }    }     fn post_json<'a>(        &'a self,        uri: &str,        body: AsyncBody,    ) -> BoxFuture<'a, Result<Response<AsyncBody>, Error>> {        let request = isahc::Request::builder()            .method(Method::POST)            .uri(uri)            .header("Content-Type", "application/json")            .body(body);        match request {            Ok(request) => self.send(request),            Err(error) => async move { Err(error.into()) }.boxed(),        }    }} pub fn client() -> Arc<dyn HttpClient> {    Arc::new(        isahc::HttpClient::builder()            .connect_timeout(Duration::from_secs(5))            .low_speed_timeout(100, Duration::from_secs(5))            .build()            .unwrap(),    )} impl HttpClient for isahc::HttpClient {    fn send(&self, req: Request<AsyncBody>) -> BoxFuture<Result<Response<AsyncBody>, Error>> {        Box::pin(async move { self.send_async(req).await })    }} #[cfg(feature = "test-support")]pub struct FakeHttpClient {    handler: Box<        dyn 'static            + Send            + Sync            + Fn(Request<AsyncBody>) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>>,    >,} #[cfg(feature = "test-support")]impl FakeHttpClient {    pub fn create<Fut, F>(handler: F) -> Arc<dyn HttpClient>    where        Fut: 'static + Send + futures::Future<Output = Result<Response<AsyncBody>, Error>>,        F: 'static + Send + Sync + Fn(Request<AsyncBody>) -> Fut,    {        Arc::new(Self {            handler: Box::new(move |req| Box::pin(handler(req))),        })    }     pub fn with_404_response() -> Arc<dyn HttpClient> {        Self::create(|_| async move {            Ok(Response::builder()                .status(404)                .body(Default::default())                .unwrap())        })    }} #[cfg(feature = "test-support")]impl fmt::Debug for FakeHttpClient {    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {        f.debug_struct("FakeHttpClient").finish()    }} #[cfg(feature = "test-support")]impl HttpClient for FakeHttpClient {    fn send(&self, req: Request<AsyncBody>) -> BoxFuture<Result<Response<AsyncBody>, Error>> {        let future = (self.handler)(req);        Box::pin(async move { future.await.map(Into::into) })    }}