pub fn package_exports_resolve(
    package_json_path: &Path,
    package_subpath: String,
    package_exports: &Map<String, Value>,
    referrer: &ModuleSpecifier,
    referrer_kind: NodeModuleKind,
    conditions: &[&str],
    npm_resolver: &dyn RequireNpmResolver
) -> Result<PathBuf, AnyError>