public Builder mergeFrom(com.google.cloud.speech.v1.CustomClass other) {
      if (other == com.google.cloud.speech.v1.CustomClass.getDefaultInstance()) return this;
      if (!other.getName().isEmpty()) {
        name_ = other.name_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (!other.getCustomClassId().isEmpty()) {
        customClassId_ = other.customClassId_;
        bitField0_ |= 0x00000002;
        onChanged();
      }
      if (itemsBuilder_ == null) {
        if (!other.items_.isEmpty()) {
          if (items_.isEmpty()) {
            items_ = other.items_;
            bitField0_ = (bitField0_ & ~0x00000004);
          } else {
            ensureItemsIsMutable();
            items_.addAll(other.items_);
          }
          onChanged();
        }
      } else {
        if (!other.items_.isEmpty()) {
          if (itemsBuilder_.isEmpty()) {
            itemsBuilder_.dispose();
            itemsBuilder_ = null;
            items_ = other.items_;
            bitField0_ = (bitField0_ & ~0x00000004);
            itemsBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getItemsFieldBuilder()
                    : null;
          } else {
            itemsBuilder_.addAllMessages(other.items_);
          }
        }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
A set of words or phrases that represents a common concept likely to appear
in your audio, for example a list of passenger ship names. CustomClass items
can be substituted into placeholders that you set in PhraseSet phrases.
</pre>

Protobuf type {@code google.cloud.speech.v1.CustomClass}
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/CustomClass.java