pub(crate) trait DepTrackingHash {
    // Required method
    fn hash(
        &self,
        hasher: &mut StableHasher,
        error_format: ErrorOutputType,
        for_crate_hash: bool,
    );
}pub(crate) trait DepTrackingHash {
    // Required method
    fn hash(
        &self,
        hasher: &mut StableHasher,
        error_format: ErrorOutputType,
        for_crate_hash: bool,
    );
}