{"ast_node_type":"function","tokens":[{"end":83,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn send_task(&self, req: Request) -> Result<Response, ServerError> {
    /// Sends a request to the proc-macro server and waits for a response.
        if let Some(server_error) = self.exited.get() {