@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (((bitField0_ & 0x00000001) != 0)) {
        output.writeMessage(1, getMinTimeElapsedSinceLastModification());
      }
      if (((bitField0_ & 0x00000002) != 0)) {
        output.writeMessage(2, getMaxTimeElapsedSinceLastModification());
      }
      for (int i = 0; i < includePrefixes_.size(); i++) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, includePrefixes_.getRaw(i));
      }
      for (int i = 0; i < excludePrefixes_.size(); i++) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 4, excludePrefixes_.getRaw(i));
      }
      if (((bitField0_ & 0x00000004) != 0)) {
        output.writeMessage(5, getLastModifiedSince());
      }
      if (((bitField0_ & 0x00000008) != 0)) {
        output.writeMessage(6, getLastModifiedBefore());
      }
      getUnknownFields().writeTo(output);
    }
<pre>
If specified, only objects with a "last modification time" before this
timestamp and objects that don't have a "last modification time" are
transferred.
</pre>

<code>.google.protobuf.Timestamp last_modified_before = 6;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java