/usr/include/ is in libswami-dev 2.0.0+svn389-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/swami/
/usr/include/swami/libswami/
/usr/include/swami/libswami/SwamiControlHub.h
/usr/include/swami/libswami/SwamiPlugin.h
/usr/include/swami/libswami/SwamiPropTree.h
/usr/include/swami/libswami/SwamiObject.h
/usr/include/swami/libswami/SwamiEvent_ipatch.h
/usr/include/swami/libswami/SwamiControlEvent.h
/usr/include/swami/libswami/SwamiControl.h
/usr/include/swami/libswami/SwamiControlFunc.h
/usr/include/swami/libswami/SwamiControlQueue.h
/usr/include/swami/libswami/SwamiMidiDevice.h
/usr/include/swami/libswami/SwamiLoopFinder.h
/usr/include/swami/libswami/SwamiControlProp.h
/usr/include/swami/libswami/libswami.h
/usr/include/swami/libswami/version.h
/usr/include/swami/libswami/SwamiParam.h
/usr/include/swami/libswami/SwamiLog.h
/usr/include/swami/libswami/SwamiMidiEvent.h
/usr/include/swami/libswami/SwamiLock.h
/usr/include/swami/libswami/SwamiControlMidi.h
/usr/include/swami/libswami/SwamiContainer.h
/usr/include/swami/libswami/SwamiControlValue.h
/usr/include/swami/libswami/SwamiLoopResults.h
/usr/include/swami/libswami/util.h
/usr/include/swami/libswami/SwamiRoot.h
/usr/include/swami/libswami/SwamiWavetbl.h
/usr/include/swami/libswamigui/
/usr/include/swami/libswamigui/SwamiguiModEdit.h
/usr/include/swami/libswamigui/SwamiguiBarPtr.h
/usr/include/swami/libswamigui/SwamiguiPanelSelector.h
/usr/include/swami/libswamigui/SwamiguiTreeStorePatch.h
/usr/include/swami/libswamigui/help.h
/usr/include/swami/libswamigui/SwamiguiCanvasMod.h
/usr/include/swami/libswamigui/SwamiguiKnob.h
/usr/include/swami/libswamigui/SwamiguiSplits.h
/usr/include/swami/libswamigui/SwamiguiPanelSF2GenEnv.h
/usr/include/swami/libswamigui/icon-combo.h
/usr/include/swami/libswamigui/SwamiguiMenu.h
/usr/include/swami/libswamigui/SwamiguiRoot.h
/usr/include/swami/libswamigui/SwamiguiNoteSelector.h
/usr/include/swami/libswamigui/SwamiguiTree.h
/usr/include/swami/libswamigui/SwamiguiPiano.h
/usr/include/swami/libswamigui/SwamiguiSampleCanvas.h
/usr/include/swami/libswamigui/SwamiguiItemMenu.h
/usr/include/swami/libswamigui/SwamiguiPanelSF2GenMisc.h
/usr/include/swami/libswamigui/SwamiguiPanel.h
/usr/include/swami/libswamigui/patch_funcs.h
/usr/include/swami/libswamigui/SwamiguiPaste.h
/usr/include/swami/libswamigui/SwamiguiSpectrumCanvas.h
/usr/include/swami/libswamigui/splash.h
/usr/include/swami/libswamigui/SwamiguiStatusbar.h
/usr/include/swami/libswamigui/SwamiguiControlMidiKey.h
/usr/include/swami/libswamigui/SwamiguiBar.h
/usr/include/swami/libswamigui/swamigui.h
/usr/include/swami/libswamigui/SwamiguiPanelSF2Gen.h
/usr/include/swami/libswamigui/SwamiguiPref.h
/usr/include/swami/libswamigui/SwamiguiTreeStore.h
/usr/include/swami/libswamigui/SwamiguiSpinScale.h
/usr/include/swami/libswamigui/icons.h
/usr/include/swami/libswamigui/combo-box.h
/usr/include/swami/libswamigui/SwamiguiMultiSave.h
/usr/include/swami/libswamigui/SwamiguiSampleEditor.h
/usr/include/swami/libswamigui/SwamiguiProp.h
/usr/include/swami/libswamigui/SwamiguiControlAdj.h
/usr/include/swami/libswamigui/util.h
/usr/include/swami/libswamigui/SwamiguiControl.h
/usr/include/swami/libswamigui/SwamiguiLoopFinder.h