{"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
        let file_id = self.analysis.crate_root(crate_id).ok()?;
    pub(crate) fn target_spec_for_crate(&self, crate_id: Crate) -> Option<TargetSpec> {
        let path = self.vfs_read().file_path(file_id).clone();