syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"this.cfg.goto(lhs_success_block,"}]}
source_snippet:                 this.cfg.goto(lhs_success_block, args.variable_source_info, success_block);
context_before:                 let success_block = this.cfg.start_new_block();
context_after:                 this.cfg.goto(rhs_success_block, args.variable_source_info, success_block);