spring-cloud-previews/google-cloud-automl-spring-starter/src/main/java/com/google/cloud/automl/v1/spring/PredictionServiceSpringAutoConfiguration.java [123:184]:
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  public PredictionServiceSettings predictionServiceSettings(
      @Qualifier("defaultPredictionServiceTransportChannelProvider")
          TransportChannelProvider defaultTransportChannelProvider)
      throws IOException {
    PredictionServiceSettings.Builder clientSettingsBuilder;
    if (this.clientProperties.getUseRest()) {
      clientSettingsBuilder = PredictionServiceSettings.newHttpJsonBuilder();
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Using REST (HTTP/JSON) transport.");
      }
    } else {
      clientSettingsBuilder = PredictionServiceSettings.newBuilder();
    }
    clientSettingsBuilder
        .setCredentialsProvider(this.credentialsProvider)
        .setTransportChannelProvider(defaultTransportChannelProvider)
        .setEndpoint(PredictionServiceSettings.getDefaultEndpoint())
        .setHeaderProvider(this.userAgentHeaderProvider());
    if (this.clientProperties.getQuotaProjectId() != null) {
      clientSettingsBuilder.setQuotaProjectId(this.clientProperties.getQuotaProjectId());
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace(
            "Quota project id set to "
                + this.clientProperties.getQuotaProjectId()
                + ", this overrides project id from credentials.");
      }
    }
    if (this.clientProperties.getExecutorThreadCount() != null) {
      ExecutorProvider executorProvider =
          PredictionServiceSettings.defaultExecutorProviderBuilder()
              .setExecutorThreadCount(this.clientProperties.getExecutorThreadCount())
              .build();
      clientSettingsBuilder.setBackgroundExecutorProvider(executorProvider);
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace(
            "Background executor thread count is "
                + this.clientProperties.getExecutorThreadCount());
      }
    }
    Retry serviceRetry = clientProperties.getRetry();
    if (serviceRetry != null) {
      RetrySettings predictRetrySettings =
          RetryUtil.updateRetrySettings(
              clientSettingsBuilder.predictSettings().getRetrySettings(), serviceRetry);
      clientSettingsBuilder.predictSettings().setRetrySettings(predictRetrySettings);

      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Configured service-level retry settings from properties.");
      }
    }
    Retry predictRetry = clientProperties.getPredictRetry();
    if (predictRetry != null) {
      RetrySettings predictRetrySettings =
          RetryUtil.updateRetrySettings(
              clientSettingsBuilder.predictSettings().getRetrySettings(), predictRetry);
      clientSettingsBuilder.predictSettings().setRetrySettings(predictRetrySettings);
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Configured method-level retry settings for predict from properties.");
      }
    }
    return clientSettingsBuilder.build();
  }
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spring-cloud-previews/google-cloud-retail-spring-starter/src/main/java/com/google/cloud/retail/v2/spring/PredictionServiceSpringAutoConfiguration.java [123:184]:
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  public PredictionServiceSettings predictionServiceSettings(
      @Qualifier("defaultPredictionServiceTransportChannelProvider")
          TransportChannelProvider defaultTransportChannelProvider)
      throws IOException {
    PredictionServiceSettings.Builder clientSettingsBuilder;
    if (this.clientProperties.getUseRest()) {
      clientSettingsBuilder = PredictionServiceSettings.newHttpJsonBuilder();
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Using REST (HTTP/JSON) transport.");
      }
    } else {
      clientSettingsBuilder = PredictionServiceSettings.newBuilder();
    }
    clientSettingsBuilder
        .setCredentialsProvider(this.credentialsProvider)
        .setTransportChannelProvider(defaultTransportChannelProvider)
        .setEndpoint(PredictionServiceSettings.getDefaultEndpoint())
        .setHeaderProvider(this.userAgentHeaderProvider());
    if (this.clientProperties.getQuotaProjectId() != null) {
      clientSettingsBuilder.setQuotaProjectId(this.clientProperties.getQuotaProjectId());
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace(
            "Quota project id set to "
                + this.clientProperties.getQuotaProjectId()
                + ", this overrides project id from credentials.");
      }
    }
    if (this.clientProperties.getExecutorThreadCount() != null) {
      ExecutorProvider executorProvider =
          PredictionServiceSettings.defaultExecutorProviderBuilder()
              .setExecutorThreadCount(this.clientProperties.getExecutorThreadCount())
              .build();
      clientSettingsBuilder.setBackgroundExecutorProvider(executorProvider);
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace(
            "Background executor thread count is "
                + this.clientProperties.getExecutorThreadCount());
      }
    }
    Retry serviceRetry = clientProperties.getRetry();
    if (serviceRetry != null) {
      RetrySettings predictRetrySettings =
          RetryUtil.updateRetrySettings(
              clientSettingsBuilder.predictSettings().getRetrySettings(), serviceRetry);
      clientSettingsBuilder.predictSettings().setRetrySettings(predictRetrySettings);

      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Configured service-level retry settings from properties.");
      }
    }
    Retry predictRetry = clientProperties.getPredictRetry();
    if (predictRetry != null) {
      RetrySettings predictRetrySettings =
          RetryUtil.updateRetrySettings(
              clientSettingsBuilder.predictSettings().getRetrySettings(), predictRetry);
      clientSettingsBuilder.predictSettings().setRetrySettings(predictRetrySettings);
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Configured method-level retry settings for predict from properties.");
      }
    }
    return clientSettingsBuilder.build();
  }
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