pub fn heavy_wvg_runner(
        &self,
        count: usize,
    ) -> JobRunner<
        WitnessVectorGeneratorExecutor,
        WitnessVectorGeneratorJobPicker<HeavyWitnessVectorMetadataLoader>,
        WitnessVectorGeneratorJobSaver,
    > {
        let metadata_loader =
            HeavyWitnessVectorMetadataLoader::new(self.pod_name.clone(), self.protocol_version);

        self.wvg_runner(count, metadata_loader)
    }
Witness Vector Generator runner implementation that prioritizes heavy jobs over light jobs.
prover/crates/lib/circuit_prover_service/src/job_runner.rs