use http::HeaderMap;use http::StatusCode;use thiserror::Error;#[derive(Debug, Error)]pub enum TransportError {    #[error("http {status}: {body:?}")]    Http {        status: StatusCode,        url: Option<String>,        headers: Option<HeaderMap>,        body: Option<String>,    },    #[error("retry limit reached")]    RetryLimit,    #[error("timeout")]    Timeout,    #[error("network error: {0}")]    Network(String),    #[error("request build error: {0}")]    Build(String),}#[derive(Debug, Error)]pub enum StreamError {    #[error("stream failed: {0}")]    Stream(String),    #[error("timeout")]    Timeout,}