public Builder setAcl(
          com.google.storagetransfer.v1.proto.TransferTypes.MetadataOptions.Acl value) {
        if (value == null) {
          throw new NullPointerException();
        }
        bitField0_ |= 0x00000010;
        acl_ = value.getNumber();
        onChanged();
        return this;
      }
<pre>
Specifies how each object's ACLs should be preserved for transfers between
Google Cloud Storage buckets. If unspecified, the default behavior is the
same as ACL_DESTINATION_BUCKET_DEFAULT.
</pre>

<code>.google.storagetransfer.v1.MetadataOptions.Acl acl = 5;</code>

@param value The acl 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