type ChatStreamOptionsUnion<TAdapter> = TAdapter extends AIAdapter<infer Models, any, any, any, infer ModelProviderOptions, infer ModelInputModalities, infer MessageMetadata> ? Models[number] extends infer TModel ? TModel extends string ? Omit<ChatOptions, "model" | "providerOptions" | "responseFormat" | "messages"> & object : never : never : never;

type ChatStreamOptionsUnion<TAdapter> = TAdapter extends AIAdapter<infer Models, any, any, any, infer ModelProviderOptions, infer ModelInputModalities, infer MessageMetadata> ? Models[number] extends infer TModel ? TModel extends string ? Omit<ChatOptions, "model" | "providerOptions" | "responseFormat" | "messages"> & object : never : never : never;