data GreetingRecord:
    str: string
    num: i32

service Greeting("greeting"):
    greeting(name: string) -> string
    greeting_record() -> GreetingRecord

func call(arg: string) -> string:
    res1 <- Greeting.greeting(arg)
    res2 <- Greeting.greeting(res1)
    res3 <- Greeting.greeting(res2)
    <- res3

service GreetingRecord:
    greeting_record() -> GreetingRecord
    log_debug()
    log_error()
    log_info()
    log_trace()
    log_warn()
    void_fn()

func call_info(srvId: string):
    GreetingRecord srvId
    GreetingRecord.log_info()