StreamSpecification Various options to redirect streams. Union Cases Union CaseDescription CreatePipe(StreamRef) Signature: StreamRef Retrieve the raw pipe from the process (the StreamRef is set with a stream you can write into for 'stdin' and read from for 'stdout' and 'stderr') Inherit Signature: Do not redirect, or use normal process inheritance UseStream(closeOnExit,stream) Signature: bool * Stream Redirect to the given stream (the stream must be provided by the user and be writeable for 'stdout' & 'stderr' and readable for 'stdin')