/usr/include/qt4/QtDeclarative/ is in libqt4-dev 4:4.8.7+dfsg-7ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/qt4/QtDeclarative/QDeclarativeAttachedPropertiesFunc
/usr/include/qt4/QtDeclarative/QDeclarativeComponent
/usr/include/qt4/QtDeclarative/QDeclarativeContext
/usr/include/qt4/QtDeclarative/QDeclarativeDebuggingEnabler
/usr/include/qt4/QtDeclarative/QDeclarativeEngine
/usr/include/qt4/QtDeclarative/QDeclarativeError
/usr/include/qt4/QtDeclarative/QDeclarativeExpression
/usr/include/qt4/QtDeclarative/QDeclarativeExtensionInterface
/usr/include/qt4/QtDeclarative/QDeclarativeExtensionPlugin
/usr/include/qt4/QtDeclarative/QDeclarativeImageProvider
/usr/include/qt4/QtDeclarative/QDeclarativeInfo
/usr/include/qt4/QtDeclarative/QDeclarativeItem
/usr/include/qt4/QtDeclarative/QDeclarativeListProperty
/usr/include/qt4/QtDeclarative/QDeclarativeListReference
/usr/include/qt4/QtDeclarative/QDeclarativeNetworkAccessManagerFactory
/usr/include/qt4/QtDeclarative/QDeclarativeParserStatus
/usr/include/qt4/QtDeclarative/QDeclarativeProperties
/usr/include/qt4/QtDeclarative/QDeclarativeProperty
/usr/include/qt4/QtDeclarative/QDeclarativePropertyMap
/usr/include/qt4/QtDeclarative/QDeclarativePropertyValueInterceptor
/usr/include/qt4/QtDeclarative/QDeclarativePropertyValueSource
/usr/include/qt4/QtDeclarative/QDeclarativeScriptString
/usr/include/qt4/QtDeclarative/QDeclarativeTypeInfo
/usr/include/qt4/QtDeclarative/QDeclarativeView
/usr/include/qt4/QtDeclarative/QtDeclarative
/usr/include/qt4/QtDeclarative/qdeclarative.h
/usr/include/qt4/QtDeclarative/qdeclarativecomponent.h
/usr/include/qt4/QtDeclarative/qdeclarativecontext.h
/usr/include/qt4/QtDeclarative/qdeclarativedebug.h
/usr/include/qt4/QtDeclarative/qdeclarativeengine.h
/usr/include/qt4/QtDeclarative/qdeclarativeerror.h
/usr/include/qt4/QtDeclarative/qdeclarativeexpression.h
/usr/include/qt4/QtDeclarative/qdeclarativeextensioninterface.h
/usr/include/qt4/QtDeclarative/qdeclarativeextensionplugin.h
/usr/include/qt4/QtDeclarative/qdeclarativeimageprovider.h
/usr/include/qt4/QtDeclarative/qdeclarativeinfo.h
/usr/include/qt4/QtDeclarative/qdeclarativeitem.h
/usr/include/qt4/QtDeclarative/qdeclarativelist.h
/usr/include/qt4/QtDeclarative/qdeclarativenetworkaccessmanagerfactory.h
/usr/include/qt4/QtDeclarative/qdeclarativeparserstatus.h
/usr/include/qt4/QtDeclarative/qdeclarativeprivate.h
/usr/include/qt4/QtDeclarative/qdeclarativeproperty.h
/usr/include/qt4/QtDeclarative/qdeclarativepropertymap.h
/usr/include/qt4/QtDeclarative/qdeclarativepropertyvalueinterceptor.h
/usr/include/qt4/QtDeclarative/qdeclarativepropertyvaluesource.h
/usr/include/qt4/QtDeclarative/qdeclarativescriptstring.h
/usr/include/qt4/QtDeclarative/qdeclarativeview.h