code: @DoesServiceRequest
      public void clearRange(final long offset, final long length) throws StorageException, URISyntaxException {
          this.clearRange(offset, length, null /* accessCondition */, null /* options */, null /* opContext */);
      }
docs: 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