-record(provider, {
    name :: binary(),
    model_id :: binary(),
    generate :: fun((glean@provider:generate_request()) -> {ok,
            glean@provider:generate_result()} |
        {error, glean@error:glean_error()}),
    stream :: fun((glean@provider:generate_request(), fun((glean@stream:stream_event()) -> nil)) -> {ok,
            glean@provider:generate_result()} |
        {error, glean@error:glean_error()})
}).