public Builder clearGid() {
        bitField0_ = (bitField0_ & ~0x00000004);
        gid_ = 0;
        onChanged();
        return this;
      }
<pre>
Specifies how each file's POSIX group ID (GID) attribute should be handled
by the transfer. By default, GID is not preserved. Only applicable to
transfers involving POSIX file systems, and ignored for other transfers.
</pre>

<code>.google.storagetransfer.v1.MetadataOptions.GID gid = 3;</code>

@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java