@Override
	public boolean markSupported() {
		return in.markSupported();
	}
Tests if this input stream supports the <code>mark</code> 
and <code>reset</code> methods. 
This method
simply performs <code>in.markSupported()</code>.

@return  <code>true</code> if this stream type supports the
         <code>mark</code> and <code>reset</code> method;
         <code>false</code> otherwise.
@see     java.io.InputStream#mark(int)
@see     java.io.InputStream#reset()
Ghidra/Framework/Generic/src/main/java/ghidra/util/MonitoredInputStream.java