@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, displayName_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, description_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Optional. Description of the collection. Can be up to 25000 characters
long.
</pre>

<code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for description.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Collection.java