byName constant
Every model above by the name an app lists to bundle it, under
hooks.user_defines.mediapipe_retrieval.models in pubspec.yaml.
Implementation
static const byName = <String, DownloadAsset>{
'embedding_gemma_2_text_vision': embeddingGemma2TextVision,
'embedding_gemma_2': embeddingGemma2,
};