pub fn has_help_links(&self) -> bool {
        if let Some(help) = &self.help {
            return !help.links.is_empty();
        }
        false
    }
Returns `true` if [`Help`] is set and its `links` vector is not empty,
otherwise returns `false`.

# Examples

```
use tonic_types::ErrorDetails;

let mut err_details = ErrorDetails::with_help(vec![]);

assert_eq!(err_details.has_help_links(), false);

err_details.add_help_link("description of link", "resource.example.local");

assert_eq!(err_details.has_help_links(), true);
```
tonic-types/src/richer_error/error_details/mod.rs