@java.lang.Override
  public boolean equals(final java.lang.Object obj) {
    if (obj == this) {
      return true;
    }
    if (!(obj instanceof com.google.cloud.texttospeech.v1beta1.SynthesizeLongAudioMetadata)) {
      return super.equals(obj);
    }
    com.google.cloud.texttospeech.v1beta1.SynthesizeLongAudioMetadata other =
        (com.google.cloud.texttospeech.v1beta1.SynthesizeLongAudioMetadata) obj;

    if (hasStartTime() != other.hasStartTime()) return false;
    if (hasStartTime()) {
      if (!getStartTime().equals(other.getStartTime())) return false;
    }
    if (hasLastUpdateTime() != other.hasLastUpdateTime()) return false;
    if (hasLastUpdateTime()) {
      if (!getLastUpdateTime().equals(other.getLastUpdateTime())) return false;
    }
    if (java.lang.Double.doubleToLongBits(getProgressPercentage())
        != java.lang.Double.doubleToLongBits(other.getProgressPercentage())) return false;
    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
    return true;
  }
<pre>
The progress of the most recent processing update in percentage, ie. 70.0%.
</pre>

<code>double progress_percentage = 3;</code>

@return The progressPercentage.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeLongAudioMetadata.java