WaitForInputReady method is not availlable in Host Access Control Library(HACL)

Question

I have ECL-14.53.0 jar in this jar WaitForInputReady method is not available from ECLOIA class, I have WaitForInput method in my ECLOIA class, I want to know in which version of jar WaitForInputReady method is available from ECLOIA class or is both methods are same, please let me know the details of this jar.