{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
        let ir_name = profiler.get_or_alloc_cached_string(demangled_ir_name);
        let demangled_ir_name = rustc_demangle::demangle(part).to_string();
        components.push(StringComponent::Value(SEPARATOR_BYTE));