HH\Lib\File\CloseableWriteHandle
Requires the Hack Standard Library - Experimental Additions to be installed.
Facebook Engineer?
This function is available as File\CloseableWriteHandle() in Facebook's www repository.
Interface Synopsis
namespace HH\Lib\File;
interface CloseableWriteHandle implements \HH\Lib\IO\CloseableSeekableWriteHandle, CloseableHandle, WriteHandle {...}