from enum import Enum class EmbeddingModelName(str, Enum): MiniLMEmbeddingModel = "MiniLMEmbeddingModel" class RerankerModelName(str, Enum): MiniLMReranker = "MiniLMReranker" class LLMModelName(str, Enum): GeminiFlash = "gemini/gemini-2.0-flash"