public Builder setModeValue(int value) {
        mode_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
<pre>
Specifies how each file's mode attribute should be handled by the transfer.
By default, mode is not preserved. Only applicable to transfers involving
POSIX file systems, and ignored for other transfers.
</pre>

<code>.google.storagetransfer.v1.MetadataOptions.Mode mode = 2;</code>

@param value The enum numeric value on the wire for mode to set.
@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java