const (
	AzureDataDiskCachingNone      AzureDataDiskCachingMode = "None"
	AzureDataDiskCachingReadOnly  AzureDataDiskCachingMode = "ReadOnly"
	AzureDataDiskCachingReadWrite AzureDataDiskCachingMode = "ReadWrite"

	AzureSharedBlobDisk    AzureDataDiskKind = "Shared"
	AzureDedicatedBlobDisk AzureDataDiskKind = "Dedicated"
	AzureManagedDisk       AzureDataDiskKind = "Managed"
)

const (
	AzureDataDiskCachingNone      AzureDataDiskCachingMode = "None"
	AzureDataDiskCachingReadOnly  AzureDataDiskCachingMode = "ReadOnly"
	AzureDataDiskCachingReadWrite AzureDataDiskCachingMode = "ReadWrite"

	AzureSharedBlobDisk    AzureDataDiskKind = "Shared"
	AzureDedicatedBlobDisk AzureDataDiskKind = "Dedicated"
	AzureManagedDisk       AzureDataDiskKind = "Managed"
)

	case 16 << 10:
		http2dataChunkPools[4].Put((*[16 << 10]byte)(p))
	default:
		panic(fmt.Sprintf("unexpected buffer len=%v", len(p)))
	}
}

// dataBuffer is an io.ReadWriter backed by a list of data chunks.
// Each dataBuffer is used to read DATA frames on a single stream.
// The buffer is divided into chunks so the server can limit the

	Close() error
}

type Writer interface {
	Write(p []byte) (n int, err error)
	Close() error
}

// ReadWriter's methods are Read, Write, and Close.
type ReadWriter interface {
	Reader  // includes methods of Reader in ReadWriter's method set
	Writer  // includes methods of Writer in ReadWriter's method set
}
</pre>

<p>
When embedding interfaces, methods with the