public Builder mergeFrom(
          com.google.storagetransfer.v1.proto.TransferTypes.S3CompatibleMetadata other) {
        if (other
            == com.google.storagetransfer.v1.proto.TransferTypes.S3CompatibleMetadata
                .getDefaultInstance()) return this;
        if (other.authMethod_ != 0) {
          setAuthMethodValue(other.getAuthMethodValue());
        }
        if (other.requestModel_ != 0) {
          setRequestModelValue(other.getRequestModelValue());
        }
        if (other.protocol_ != 0) {
          setProtocolValue(other.getProtocolValue());
        }
        if (other.listApi_ != 0) {
          setListApiValue(other.getListApiValue());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
S3CompatibleMetadata contains the metadata fields that apply to the basic
types of S3-compatible data providers.
</pre>

Protobuf type {@code google.storagetransfer.v1.S3CompatibleMetadata}
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java