fix: make request optional in all cases (#525)

... chore: update gapic-generator-ruby to the latest commit chore: release gapic-generator-typescript 1.5.0 Committer: @miraleung PiperOrigin-RevId: 380641501 Source-Link: googleapis/googleapis@076f7e9 Source-Link: https://github.com/googleapis/googleapis-gen/commit/27e4c88b4048e5f56508d4e1aa417d60a3380892

Author: gcf-owl-bot[bot]

src/v1/text_to_speech_client.ts

@@ -267,7 +267,7 @@ export class TextToSpeechClient {
  // -- Service calls --
  // -------------------
  listVoices(
- request: protos.google.cloud.texttospeech.v1.IListVoicesRequest,
+ request?: protos.google.cloud.texttospeech.v1.IListVoicesRequest,
  options?: CallOptions
  ): Promise<
  [
@@ -318,7 +318,7 @@ export class TextToSpeechClient {
  * const [response] = await client.listVoices(request);
  */
  listVoices(
- request: protos.google.cloud.texttospeech.v1.IListVoicesRequest,
+ request?: protos.google.cloud.texttospeech.v1.IListVoicesRequest,
  optionsOrCallback?:
  | CallOptions
  | Callback<
@@ -353,7 +353,7 @@ export class TextToSpeechClient {
  return this.innerApiCalls.listVoices(request, options, callback);
  }
  synthesizeSpeech(
- request: protos.google.cloud.texttospeech.v1.ISynthesizeSpeechRequest,
+ request?: protos.google.cloud.texttospeech.v1.ISynthesizeSpeechRequest,
  options?: CallOptions
  ): Promise<
  [
@@ -406,7 +406,7 @@ export class TextToSpeechClient {
  * const [response] = await client.synthesizeSpeech(request);
  */
  synthesizeSpeech(
- request: protos.google.cloud.texttospeech.v1.ISynthesizeSpeechRequest,
+ request?: protos.google.cloud.texttospeech.v1.ISynthesizeSpeechRequest,
  optionsOrCallback?:
  | CallOptions
  | Callback<

src/v1beta1/text_to_speech_client.ts

@@ -267,7 +267,7 @@ export class TextToSpeechClient {
  // -- Service calls --
  // -------------------
  listVoices(
- request: protos.google.cloud.texttospeech.v1beta1.IListVoicesRequest,
+ request?: protos.google.cloud.texttospeech.v1beta1.IListVoicesRequest,
  options?: CallOptions
  ): Promise<
  [
@@ -323,7 +323,7 @@ export class TextToSpeechClient {
  * const [response] = await client.listVoices(request);
  */
  listVoices(
- request: protos.google.cloud.texttospeech.v1beta1.IListVoicesRequest,
+ request?: protos.google.cloud.texttospeech.v1beta1.IListVoicesRequest,
  optionsOrCallback?:
  | CallOptions
  | Callback<
@@ -360,7 +360,7 @@ export class TextToSpeechClient {
  return this.innerApiCalls.listVoices(request, options, callback);
  }
  synthesizeSpeech(
- request: protos.google.cloud.texttospeech.v1beta1.ISynthesizeSpeechRequest,
+ request?: protos.google.cloud.texttospeech.v1beta1.ISynthesizeSpeechRequest,
  options?: CallOptions
  ): Promise<
  [
@@ -418,7 +418,7 @@ export class TextToSpeechClient {
  * const [response] = await client.synthesizeSpeech(request);
  */
  synthesizeSpeech(
- request: protos.google.cloud.texttospeech.v1beta1.ISynthesizeSpeechRequest,
+ request?: protos.google.cloud.texttospeech.v1beta1.ISynthesizeSpeechRequest,
  optionsOrCallback?:
  | CallOptions
  | Callback<