fn validate_multi_config_representation(
representation: MultiCopperConfigRepresentation,
file_path: Option<&str>,
active_features: &[&str],
) -> CuResult<MultiCopperConfig>fn validate_multi_config_representation(
representation: MultiCopperConfigRepresentation,
file_path: Option<&str>,
active_features: &[&str],
) -> CuResult<MultiCopperConfig>