.. backends image types __init__.py azure_document_embedder.py azure_text_embedder.py hugging_face_api_document_embedder.py hugging_face_api_text_embedder.py openai_document_embedder.py openai_text_embedder.py sentence_transformers_document_embedder.py sentence_transformers_sparse_document_embedder.py sentence_transformers_sparse_text_embedder.py sentence_transformers_text_embedder.py