public static com.google.storagetransfer.v1.proto.TransferTypes.Schedule parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }
<pre>
Interval between the start of each scheduled TransferOperation. If
unspecified, the default value is 24 hours. This value may not be less than
1 hour.
</pre>

<code>.google.protobuf.Duration repeat_interval = 5;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java