pub fn deserialize<'de, D>(deserializer: D) -> Result<BTreeMap<String, String>, D::Error>
    where
        D: Deserializer<'de>,
    {
        let de_map = BTreeMap::<String, RegistryDe>::deserialize(deserializer)?;
        let registry_map = de_map
            .into_iter()
            .map(|(name, RegistryDe { index })| (name, index))
            .collect();
        Ok(registry_map)
    }
Deserializes a path, converting forward slashes to backslashes.
tools/hakari/src/summaries.rs