text: public virtual string[] PromptKeyboardInteractive(string destination, string name, string instruction, string[] prompt, bool[] echo){CredentialItem.StringType[] v = new CredentialItem.StringType[prompt.Length];for (int i = 0; i < prompt.Length; i++){v[i] = new CredentialItem.StringType(prompt[i], !echo[i]);}IList<CredentialItem> items = new AList<CredentialItem>();if (instruction != null && instruction.Length > 0){items.AddItem(new CredentialItem.InformationalMessage(instruction));}Sharpen.Collections.AddAll(items, Arrays.AsList(v));if (!provider.Get(uri, items)){return null;}string[] result = new string[v.Length];for (int i_1 = 0; i_1 < v.Length; i_1++){result[i_1] = v[i_1].GetValue();}return result;}