pub fn set_request_info(
        &mut self,
        request_id: impl Into<String>,
        serving_data: impl Into<String>,
    ) -> &mut Self {
        self.request_info = Some(RequestInfo::new(request_id, serving_data));
        self
    }
Set [`RequestInfo`] details. Can be chained with other `.set_` and
`.add_` [`ErrorDetails`] methods.

# Examples

```
use tonic_types::ErrorDetails;

let mut err_details = ErrorDetails::new();

err_details.set_request_info("request_id", "serving_data");
```
tonic-types/src/richer_error/error_details/mod.rs