feat: Automated regeneration of texttospeech v1 client (googleapis#24205)

Auto-created at 2025-09-07 10:08:13 +0000 using the toys pull request generator.

Author: yoshi-code-bot

api_names_out.yaml

@@ -361470,6 +361470,7 @@
 "/texttospeech:v1/SynthesisInput/customPronunciations": custom_pronunciations
 "/texttospeech:v1/SynthesisInput/markup": markup
 "/texttospeech:v1/SynthesisInput/multiSpeakerMarkup": multi_speaker_markup
+"/texttospeech:v1/SynthesisInput/prompt": prompt
 "/texttospeech:v1/SynthesisInput/ssml": ssml
 "/texttospeech:v1/SynthesisInput/text": text
 "/texttospeech:v1/SynthesizeLongAudioMetadata": synthesize_long_audio_metadata

generated/google-apis-texttospeech_v1/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release history for google-apis-texttospeech_v1
 
+### v0.40.0 (2025-09-07)
+
+* Regenerated from discovery document revision 20250903
+
 ### v0.39.0 (2025-08-10)
 
 * Regenerated from discovery document revision 20250805

generated/google-apis-texttospeech_v1/lib/google/apis/texttospeech_v1/classes.rb

@@ -437,6 +437,13 @@ class SynthesisInput
         # @return [Google::Apis::TexttospeechV1::MultiSpeakerMarkup]
         attr_accessor :multi_speaker_markup
 
+        # This is system instruction supported only for controllable voice models. If
+        # used, we will pass text to Flash TTS as is. Can only used with Flash TTS. What
+        # AI Studio calls Style Instructions.
+        # Corresponds to the JSON property `prompt`
+        # @return [String]
+        attr_accessor :prompt
+      
         # The SSML document to be synthesized. The SSML document must be valid and well-
         # formed. Otherwise the RPC will fail and return google.rpc.Code.
         # INVALID_ARGUMENT. For more information, see [SSML](https://cloud.google.com/
@@ -459,6 +466,7 @@ def update!(**args)
           @custom_pronunciations = args[:custom_pronunciations] if args.key?(:custom_pronunciations)
           @markup = args[:markup] if args.key?(:markup)
           @multi_speaker_markup = args[:multi_speaker_markup] if args.key?(:multi_speaker_markup)
+          @prompt = args[:prompt] if args.key?(:prompt)
           @ssml = args[:ssml] if args.key?(:ssml)
           @text = args[:text] if args.key?(:text)
         end

generated/google-apis-texttospeech_v1/lib/google/apis/texttospeech_v1/gem_version.rb

@@ -16,13 +16,13 @@ module Google
   module Apis
     module TexttospeechV1
       # Version of the google-apis-texttospeech_v1 gem
-      GEM_VERSION = "0.39.0"
+      GEM_VERSION = "0.40.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.18.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20250805"
+      REVISION = "20250903"
     end
   end
 end

generated/google-apis-texttospeech_v1/lib/google/apis/texttospeech_v1/representations.rb

@@ -273,6 +273,7 @@ class Representation < Google::Apis::Core::JsonRepresentation
           property :markup, as: 'markup'
           property :multi_speaker_markup, as: 'multiSpeakerMarkup', class: Google::Apis::TexttospeechV1::MultiSpeakerMarkup, decorator: Google::Apis::TexttospeechV1::MultiSpeakerMarkup::Representation
 
+          property :prompt, as: 'prompt'
           property :ssml, as: 'ssml'
           property :text, as: 'text'
         end