feat(SpeechToText): add support for endOfPhraseSilenceTime and splitTranscriptAtPhraseEnd

Author: mamoonraja

Scripts/Services/SpeechToText/V1/Model/SpeechRecognitionResult.cs

@@ -1,5 +1,5 @@
 /**
-* Copyright 2018, 2019 IBM Corp. All Rights Reserved.
+* (C) Copyright IBM Corp. 2018, 2020.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -25,6 +25,48 @@ namespace IBM.Watson.SpeechToText.V1.Model
     /// </summary>
     public class SpeechRecognitionResult
     {
+        /// <summary>
+        /// If the `split_transcript_at_phrase_end` parameter is `true`, describes the reason for the split:
+        /// * `end_of_data` - The end of the input audio stream.
+        /// * `full_stop` - A full semantic stop, such as for the conclusion of a grammatical sentence. The insertion of
+        /// splits is influenced by the base language model and biased by custom language models and grammars.
+        /// * `reset` - The amount of audio that is currently being processed exceeds the two-minute maximum. The
+        /// service splits the transcript to avoid excessive memory use.
+        /// * `silence` - A pause or silence that is at least as long as the pause interval.
+        /// </summary>
+        public class EndOfUtteranceValue
+        {
+            /// <summary>
+            /// Constant END_OF_DATA for end_of_data
+            /// </summary>
+            public const string END_OF_DATA = "end_of_data";
+            /// <summary>
+            /// Constant FULL_STOP for full_stop
+            /// </summary>
+            public const string FULL_STOP = "full_stop";
+            /// <summary>
+            /// Constant RESET for reset
+            /// </summary>
+            public const string RESET = "reset";
+            /// <summary>
+            /// Constant SILENCE for silence
+            /// </summary>
+            public const string SILENCE = "silence";
+            
+        }
+
+        /// <summary>
+        /// If the `split_transcript_at_phrase_end` parameter is `true`, describes the reason for the split:
+        /// * `end_of_data` - The end of the input audio stream.
+        /// * `full_stop` - A full semantic stop, such as for the conclusion of a grammatical sentence. The insertion of
+        /// splits is influenced by the base language model and biased by custom language models and grammars.
+        /// * `reset` - The amount of audio that is currently being processed exceeds the two-minute maximum. The
+        /// service splits the transcript to avoid excessive memory use.
+        /// * `silence` - A pause or silence that is at least as long as the pause interval.
+        /// Constants for possible values can be found using SpeechRecognitionResult.EndOfUtteranceValue
+        /// </summary>
+        [JsonProperty("end_of_utterance", NullValueHandling = NullValueHandling.Ignore)]
+        public string EndOfUtterance { get; set; }
         /// <summary>
         /// An indication of whether the transcription results are final. If `true`, the results for this utterance are
         /// not updated further; no additional results are sent for a `result_index` once its results are indicated as