microsoft-azure-storage/src/com/microsoft/azure/storage/file/CloudFile.java
@DoesServiceRequest
    public void clearRange(final long offset, final long length) throws StorageException, URISyntaxException {
        this.clearRange(offset, length, null /* accessCondition */, null /* options */, null /* opContext */);
    }
@DoesServiceRequest
    public void clearRange(final long offset, final long length) throws StorageException, URISyntaxException {
        this.clearRange(offset, length, null /* accessCondition */, null /* options */, null /* opContext */);
    }
Clears a range from a file.
<p>
Calling <code>clearRange</code> releases the storage space used by the specified range. Ranges that have been
cleared are no longer tracked as part of the file.

@param offset
The offset, in bytes, at which to begin clearing.
@param length
The length, in bytes, of the data range to be cleared.

@throws StorageException
If a storage service error occurred.
@throws URISyntaxException