/// Minimal input batch size.
    ///
    /// The controller delays pushing input records to the circuit until at
    /// least `min_batch_size_records` records have been received (total
    /// across all endpoints) or `max_buffering_delay_usecs` microseconds
    /// have passed since at least one input records has been buffered.
    /// Defaults to 0.
    pub min_batch_size_records: u64,

    /// Maximal delay in microseconds to wait for `min_batch_size_records` to
    /// get buffered by the controller, defaults to 0.
    pub max_buffering_delay_usecs: u64,