|qmake:||QT += core|
This class was introduced in Qt 5.1.
Saves the settings used by QDebug, and restores them upon destruction, then calls maybeSpace(), to separate arguments with a space if autoInsertSpaces() was true at the time of constructing the QDebugStateSaver.
The automatic insertion of spaces between writes is one of the settings that QDebugStateSaver stores for the duration of the current block.
Creates a QDebugStateSaver instance, which saves the settings currently used by dbg.
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