syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"Some(st)"}]}
source_snippet:             Some(st) => PotentialSiblings::Filtered(filtered_children(self, st)),
context_before:         let possible_siblings = match simplified_self {
context_after:             None => PotentialSiblings::Unfiltered(iter_children(self)),