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++ // Copyright (C) 2022 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QTENVIRONMENTVARIABLES_H
++ #define QTENVIRONMENTVARIABLES_H
++
++ #include <QtCore/qtconfigmacros.h>
++ #include <QtCore/qtcoreexports.h>
++ #include <QtCore/qtdeprecationmarkers.h>
++ #include <QtCore/qtypes.h>
++
++ #include <optional>
++
++ #if 0
++ #pragma qt_class(QtEnvironmentVariables)
++ #pragma qt_sync_stop_processing
++ #endif
++
++ QT_BEGIN_NAMESPACE
++
++ class QByteArray;
++ class QByteArrayView;
++ class QString;
++
++ Q_CORE_EXPORT QByteArray qgetenv(const char *varName);
++ // need it as two functions because QString is only forward-declared here
++ Q_CORE_EXPORT QString qEnvironmentVariable(const char *varName);
++ Q_CORE_EXPORT QString qEnvironmentVariable(const char *varName, const QString &defaultValue);
++ #if QT_CORE_REMOVED_SINCE(6, 5)
++ Q_CORE_EXPORT bool qputenv(const char *varName, const QByteArray &value);
++ #endif
++ Q_CORE_EXPORT bool qputenv(const char *varName, QByteArrayView value);
++ Q_CORE_EXPORT bool qunsetenv(const char *varName);
++
++ Q_CORE_EXPORT bool qEnvironmentVariableIsEmpty(const char *varName) noexcept;
++ Q_CORE_EXPORT bool qEnvironmentVariableIsSet(const char *varName) noexcept;
++ Q_CORE_EXPORT int qEnvironmentVariableIntValue(const char *varName, bool *ok=nullptr) noexcept;
++ Q_CORE_EXPORT std::optional<qint64> qEnvironmentVariableIntegerValue(const char *varName) noexcept;
++
++ QT_END_NAMESPACE
++
++ #endif /* QTENVIRONMENTVARIABLES_H */