/usr/include/CLAM/qtmonitors/ is in libclam-qtmonitors-dev 1.4.0-3ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/CLAM/qtmonitors/BarGraph.hxx
/usr/include/CLAM/qtmonitors/BoolControlDisplay.hxx
/usr/include/CLAM/qtmonitors/BoolControlPrinter.hxx
/usr/include/CLAM/qtmonitors/BoolControlSender.hxx
/usr/include/CLAM/qtmonitors/BoolControlSenderWidget.hxx
/usr/include/CLAM/qtmonitors/BufferOscilloscope.hxx
/usr/include/CLAM/qtmonitors/BufferOscilloscopeMonitor.hxx
/usr/include/CLAM/qtmonitors/ChordRanking.hxx
/usr/include/CLAM/qtmonitors/ChordRankingMonitor.hxx
/usr/include/CLAM/qtmonitors/ControlPrinterWidget.hxx
/usr/include/CLAM/qtmonitors/ControlSenderWidget.hxx
/usr/include/CLAM/qtmonitors/ControlSurface.hxx
/usr/include/CLAM/qtmonitors/ControlSurfaceWidget.hxx
/usr/include/CLAM/qtmonitors/EmbededWidgets.hxx
/usr/include/CLAM/qtmonitors/FloatArrayDataSource.hxx
/usr/include/CLAM/qtmonitors/HistogramView.hxx
/usr/include/CLAM/qtmonitors/HistogramViewMonitor.hxx
/usr/include/CLAM/qtmonitors/KeySpace.hxx
/usr/include/CLAM/qtmonitors/KeySpaceMonitor.hxx
/usr/include/CLAM/qtmonitors/LPModelView.hxx
/usr/include/CLAM/qtmonitors/LPModelViewMonitor.hxx
/usr/include/CLAM/qtmonitors/MIDIPianoWidget.hxx
/usr/include/CLAM/qtmonitors/MelCepstrumView.hxx
/usr/include/CLAM/qtmonitors/MelCepstrumViewMonitor.hxx
/usr/include/CLAM/qtmonitors/MelSpectrumView.hxx
/usr/include/CLAM/qtmonitors/MelSpectrumViewMonitor.hxx
/usr/include/CLAM/qtmonitors/Oscilloscope.hxx
/usr/include/CLAM/qtmonitors/OscilloscopeMonitor.hxx
/usr/include/CLAM/qtmonitors/PeakDataSource.hxx
/usr/include/CLAM/qtmonitors/PeakView.hxx
/usr/include/CLAM/qtmonitors/PeakViewMonitor.hxx
/usr/include/CLAM/qtmonitors/PixmapWidgets.hxx
/usr/include/CLAM/qtmonitors/PolarChromaPeaks.hxx
/usr/include/CLAM/qtmonitors/PolarChromaPeaksMonitor.hxx
/usr/include/CLAM/qtmonitors/ProgressControl.hxx
/usr/include/CLAM/qtmonitors/ProgressControlWidget.hxx
/usr/include/CLAM/qtmonitors/QFirstPerson.hxx
/usr/include/CLAM/qtmonitors/QSynthKnob.hxx
/usr/include/CLAM/qtmonitors/SegmentationDataSource.hxx
/usr/include/CLAM/qtmonitors/SegmentationView.hxx
/usr/include/CLAM/qtmonitors/SegmentationViewMonitor.hxx
/usr/include/CLAM/qtmonitors/Spectrogram.hxx
/usr/include/CLAM/qtmonitors/SpectrogramMonitor.hxx
/usr/include/CLAM/qtmonitors/SpectrumView.hxx
/usr/include/CLAM/qtmonitors/SpectrumViewMonitor.hxx
/usr/include/CLAM/qtmonitors/Tonnetz.hxx
/usr/include/CLAM/qtmonitors/TonnetzMonitor.hxx
/usr/include/CLAM/qtmonitors/Tunner.hxx
/usr/include/CLAM/qtmonitors/TunnerMonitor.hxx
/usr/include/CLAM/qtmonitors/VectorView.hxx
/usr/include/CLAM/qtmonitors/VectorViewMonitor.hxx
/usr/include/CLAM/qtmonitors/Vumeter.hxx
/usr/include/CLAM/qtmonitors/VumeterMonitor.hxx