@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(2, getCreateTime());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      output.writeMessage(3, getUpdateTime());
    }
    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 4);
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, description_);
    }
    if (sourceDetailsCase_ == 10) {
      output.writeMessage(10, (com.google.cloud.vmmigration.v1.VmwareSourceDetails) sourceDetails_);
    }
    if (sourceDetailsCase_ == 12) {
      output.writeMessage(12, (com.google.cloud.vmmigration.v1.AwsSourceDetails) sourceDetails_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
User-provided description of the source.
</pre>

<code>string description = 6;</code>

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