syntax_data: {"ast_node_type":"variable","tokens":[{"end":99,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let head_to_curr = Self::cycle_path_kind(&self.stack, step_kind_from_parent, head);
context_before:                 let head = heads.highest_cycle_head();
context_after:                 let full_paths = path_from_global_entry.extend_with(head_to_curr);