syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"this.unchecked_tys.push((component,"}]}
source_snippet:                     this.unchecked_tys.push((component, level + 1));
context_before:                 if this.seen_tys.insert(component) {
context_after:                 }