syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"LocalTableInContextMut"}]}
source_snippet:         LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.field_indices }
context_before:     pub fn field_indices_mut(&mut self) -> LocalTableInContextMut<'_, FieldIdx> {
context_after:     }