pub trait EmbeddingProvider {
// Required method
fn embed<'life0, 'async_trait>(
&'life0 self,
input: Vec<String>,
) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<f32>>, LLMError>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}