fn node_difficulties_and_seqs(
node: &ItemBonusTreeNodeRow,
source_kind: DropSourceKind,
boss_tier: i32,
rare_seq: i32,
) -> Vec<(DifficultyKey, i32)>fn node_difficulties_and_seqs(
node: &ItemBonusTreeNodeRow,
source_kind: DropSourceKind,
boss_tier: i32,
rare_seq: i32,
) -> Vec<(DifficultyKey, i32)>