private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.texttospeech.v1beta1.CustomPronunciationParams,
            com.google.cloud.texttospeech.v1beta1.CustomPronunciationParams.Builder,
            com.google.cloud.texttospeech.v1beta1.CustomPronunciationParamsOrBuilder>
        getPronunciationsFieldBuilder() {
      if (pronunciationsBuilder_ == null) {
        pronunciationsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.texttospeech.v1beta1.CustomPronunciationParams,
                com.google.cloud.texttospeech.v1beta1.CustomPronunciationParams.Builder,
                com.google.cloud.texttospeech.v1beta1.CustomPronunciationParamsOrBuilder>(
                pronunciations_,
                ((bitField0_ & 0x00000001) != 0),
                getParentForChildren(),
                isClean());
        pronunciations_ = null;
      }
      return pronunciationsBuilder_;
    }
<pre>
The pronunciation customizations to be applied.
</pre>

<code>
repeated .google.cloud.texttospeech.v1beta1.CustomPronunciationParams pronunciations = 1;
</code>
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomPronunciations.java