Revise datatypes for Timestamps and WordConfidence.

Author: mediumTaj

src/IBM.WatsonDeveloperCloud.SpeechToText.v1/Model/SpeechRecognitionAlternative.cs

@@ -42,13 +42,13 @@ public class SpeechRecognitionAlternative : BaseModel
         /// </summary>
         /// <value>Time alignments for each word from the transcript as a list of lists. Each inner list consists of three elements: the word followed by its start and end time in seconds. Example: `[["hello",0.0,1.2],["world",1.2,2.5]]`. Returned only for the best alternative.</value>
         [JsonProperty("timestamps", NullValueHandling = NullValueHandling.Ignore)]
-        public List<string> Timestamps { get; set; }
+        public string[][] Timestamps { get; set; }
         /// <summary>
         /// A confidence score for each word of the transcript as a list of lists. Each inner list consists of two elements: the word and its confidence score in the range of 0 to 1. Example: `[["hello",0.95],["world",0.866]]`. Returned only for the best alternative and only with results marked as final.
         /// </summary>
         /// <value>A confidence score for each word of the transcript as a list of lists. Each inner list consists of two elements: the word and its confidence score in the range of 0 to 1. Example: `[["hello",0.95],["world",0.866]]`. Returned only for the best alternative and only with results marked as final.</value>
         [JsonProperty("word_confidence", NullValueHandling = NullValueHandling.Ignore)]
-        public List<string> WordConfidence { get; set; }
+        public string[][] WordConfidence { get; set; }
     }
 
 }