@Override
        public Builder fromProviderMetadata(
                ProviderMetadata in) {
            super.fromProviderMetadata(in);
            return this;
        }
Implementation of org.jclouds.types.ProviderMetadata for NIO.2 filesystems.
src/main/java/org/gaul/s3proxy/nio2blob/FilesystemNio2BlobProviderMetadata.java