@java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
        return true;
      }
      if (!(obj instanceof com.google.storagetransfer.v1.proto.TransferTypes.ObjectConditions)) {
        return super.equals(obj);
      }
      com.google.storagetransfer.v1.proto.TransferTypes.ObjectConditions other =
          (com.google.storagetransfer.v1.proto.TransferTypes.ObjectConditions) obj;

      if (hasMinTimeElapsedSinceLastModification()
          != other.hasMinTimeElapsedSinceLastModification()) return false;
      if (hasMinTimeElapsedSinceLastModification()) {
        if (!getMinTimeElapsedSinceLastModification()
            .equals(other.getMinTimeElapsedSinceLastModification())) return false;
      }
      if (hasMaxTimeElapsedSinceLastModification()
          != other.hasMaxTimeElapsedSinceLastModification()) return false;
      if (hasMaxTimeElapsedSinceLastModification()) {
        if (!getMaxTimeElapsedSinceLastModification()
            .equals(other.getMaxTimeElapsedSinceLastModification())) return false;
      }
      if (!getIncludePrefixesList().equals(other.getIncludePrefixesList())) return false;
      if (!getExcludePrefixesList().equals(other.getExcludePrefixesList())) return false;
      if (hasLastModifiedSince() != other.hasLastModifiedSince()) return false;
      if (hasLastModifiedSince()) {
        if (!getLastModifiedSince().equals(other.getLastModifiedSince())) return false;
      }
      if (hasLastModifiedBefore() != other.hasLastModifiedBefore()) return false;
      if (hasLastModifiedBefore()) {
        if (!getLastModifiedBefore().equals(other.getLastModifiedBefore())) return false;
      }
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }
<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