pub fn rescue_nontrivial_context(
selected: &mut Vec<Fragment>,
all_fragments: &[Fragment],
rel_scores: &FxHashMap<FragmentId, f64>,
core_ids: &FxHashSet<FragmentId>,
budget: u32,
)pub fn rescue_nontrivial_context(
selected: &mut Vec<Fragment>,
all_fragments: &[Fragment],
rel_scores: &FxHashMap<FragmentId, f64>,
core_ids: &FxHashSet<FragmentId>,
budget: u32,
)