use bstr::BStr; use super::Ref; ///pub mod parse {    use bstr::BString;     /// The error returned when parsing References/refs from the server response.    #[derive(Debug, thiserror::Error)]    #[allow(missing_docs)]    pub enum Error {        #[error(transparent)]        Io(#[from] std::io::Error),        #[error(transparent)]        DecodePacketline(#[from] git_transport::packetline::decode::Error),        #[error(transparent)]        Id(#[from] git_hash::decode::Error),        #[error("{symref:?} could not be parsed. A symref is expected to look like <NAME>:<target>.")]        MalformedSymref { symref: BString },        #[error("{0:?} could not be parsed. A V1 ref line should be '<hex-hash> <path>'.")]        MalformedV1RefLine(BString),        #[error(            "{0:?} could not be parsed. A V2 ref line should be '<hex-hash> <path>[ (peeled|symref-target):<value>'."        )]        MalformedV2RefLine(BString),        #[error("The ref attribute {attribute:?} is unknown. Found in line {line:?}")]        UnkownAttribute { attribute: BString, line: BString },        #[error("{message}")]        InvariantViolation { message: &'static str },    }} impl Ref {    /// Provide shared fields referring to the ref itself, namely `(name, target, [peeled])`.    /// In case of peeled refs, the tag object itself is returned as it is what the ref directly refers to, and target of the tag is returned    /// as `peeled`.    /// If `unborn`, the first object id will be the null oid.    pub fn unpack(&self) -> (&BStr, Option<&git_hash::oid>, Option<&git_hash::oid>) {        match self {            Ref::Direct { full_ref_name, object }            | Ref::Symbolic {                full_ref_name, object, ..            } => (full_ref_name.as_ref(), Some(object), None),            Ref::Peeled {                full_ref_name,                tag: object,                object: peeled,            } => (full_ref_name.as_ref(), Some(object), Some(peeled)),            Ref::Unborn {                full_ref_name,                target: _,            } => (full_ref_name.as_ref(), None, None),        }    }} #[cfg(any(feature = "blocking-client", feature = "async-client"))]pub(crate) mod shared; #[cfg(feature = "async-client")]mod async_io;#[cfg(feature = "async-client")]pub use async_io::{from_v1_refs_received_as_part_of_handshake_and_capabilities, from_v2_refs}; #[cfg(feature = "blocking-client")]mod blocking_io;#[cfg(feature = "blocking-client")]pub use blocking_io::{from_v1_refs_received_as_part_of_handshake_and_capabilities, from_v2_refs}; #[cfg(test)]mod tests;