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All OpenMath StreamPrinters must implement this basic interface: it allows applications to output OpenMath objects on character streams.
public abstract void setOutput(OutputStream output) throws OMException
Sets the output destination for all put*() methods is. The output stream may be changed during print. But, this is legal only between two OpenMath object output. Or else a OMException is thrown . and current output stream is not changed.
public abstract OutputStream getOutput()
Gets the current output destination.
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