@Override
        public Builder fromProviderMetadata(
                ProviderMetadata in) {
            super.fromProviderMetadata(in);
            return this;
        }
Implementation of org.jclouds.types.ProviderMetadata for Microsoft Azure
Blob Service.
src/main/java/org/gaul/s3proxy/azureblob/AzureBlobProviderMetadata.java