Function append_persisted_resolution_candidates 

fn append_persisted_resolution_candidates(
    by_key: &mut ProjectResolutionRegistry,
    project: ProjectInstanceId,
    generation: IndexGeneration,
    candidates: RepositoryResolutionReadPage<RepositoryResolutionCandidate>,
    replaced_paths: &BTreeSet<String>,
    control: &IndexWorkControl,
) -> Result<(), CliError>

Admit additional persisted witnesses directly into the current bounded registry.