use anyhow::Result;
use async_trait::async_trait;
#[async_trait]
pub trait RagRetriever: Send + Sync {
async fn retrieve(&self, query: &str) -> Result<String>;
}
pub struct NoopRagRetriever;
#[async_trait]
impl RagRetriever for NoopRagRetriever {
async fn retrieve(&self, _query: &str) -> Result<String> {
Ok(String::new())
}
}