pub fn merge_zero_impedance_buses(
network: &BalancedNetwork,
) -> Result<(BalancedNetwork, ZeroImpedanceMerge, Vec<Diagnostic>), Error>pub fn merge_zero_impedance_buses(
network: &BalancedNetwork,
) -> Result<(BalancedNetwork, ZeroImpedanceMerge, Vec<Diagnostic>), Error>