Function generate_thresholds_async 

pub fn generate_thresholds_async<T: Config>(
    n_bags: usize,
    output: &Path,
    total_issuance: u128,
    minimum_balance: u128,
) -> Result<(), Error>

Write a thresholds module for a runtime using pallet_staking_async.

See generate_thresholds_inner for parameter documentation.