pub async fn retrieve_file_content( client: &OpenAIClient, file_id: &str, ) -> Result<Vec<u8>, OpenAIError>
Downloads the content of a file by its ID.
Note: For fine-tuning .jsonl files, you can retrieve the training data to verify or reuse it.
.jsonl
file_id
A Vec<u8> containing the raw file data.
Vec<u8>