syntax_data: {"ast_node_type":"function","tokens":[{"end":49,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn next_universe(self) -> UniverseIndex {
context_before:     /// `U` because it was not in scope there.
context_after:         UniverseIndex::from_u32(self.as_u32().checked_add(1).unwrap())