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diff --git a/jvmfwk/inc/fwkbase.hxx b/jvmfwk/inc/fwkbase.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_JVMFWK_INC_FWKBASE_HXX
+#define INCLUDED_JVMFWK_INC_FWKBASE_HXX
+
+#include <sal/config.h>
+
+#include <string_view>
+#include <vector>
+
+#include <rtl/ustring.hxx>
+#include "libxmlutil.hxx"
+
+namespace jfw
+{
+struct VersionInfo;
+
+class VendorSettings
+{
+    CXmlDocPtr m_xmlDocVendorSettings;
+    CXPathContextPtr m_xmlPathContextVendorSettings;
+
+public:
+    VendorSettings();
+
+    VersionInfo getVersionInformation(std::u16string_view sVendor) const;
+};
+
+/* The class offers functions to retrieve verified bootstrap parameters.
+ */
+namespace BootParams
+{
+/* Gets the file URL to the JRE which has been determined by the
+   bootstrap parameter UNO_JAVA_JFW_JREHOME or UNO_JAVA_JFW_ENV_JREHOME.
+
+   In direct mode either of them must be set. If not an exception is thrown.
+*/
+OUString getJREHome();
+
+::std::vector<OString> getVMParameters();
+
+OUString getUserData();
+
+OUString getSharedData();
+
+/* returns the file URL to the vendor settings xml file.
+ */
+OUString getVendorSettings();
+
+/* User the parameter UNO_JAVA_JFW_CLASSPATH and UNO_JAVA_JFW_ENV_CLASSPATH
+   to compose a classpath
+ */
+OString getClasspath();
+
+OUString getClasspathUrls();
+
+} //end namespace
+
+enum JFW_MODE
+{
+    JFW_MODE_APPLICATION,
+
+    JFW_MODE_DIRECT
+};
+
+JFW_MODE getMode();
+
+/** creates the -Djava.class.path option with the complete classpath, including
+    the paths which are set by UNO_JAVA_JFW_CLASSPATH_URLS.
+ */
+OString makeClassPathOption(std::u16string_view sUserClassPath);
+
+OString getSettingsPath(const OUString& sURL);
+
+/** Get the system path to the javasettings.xml
+    Converts the URL returned from getUserSettingsURL to a
+    Systempath. An empty string is returned if the file
+    does not exist.
+   @throws FrameworkException
+ */
+OString getUserSettingsPath();
+
+/** Returns the system path of the share settings file.
+    Returns a valid string or throws an exception.
+   @throws FrameworkException
+ */
+OString getSharedSettingsPath();
+
+/* returns a valid string or throws an exception.
+   @throws FrameworkException
+ */
+OString getVendorSettingsPath();
+
+/** Called from writeJavaInfoData. It sets the process identifier. When
+java is to be started, then the current id is compared to the one set by
+this function. If they are identical then the Java was selected in the
+same process. If that Java needs a prepared environment, such as a
+LD_LIBRARY_PATH, then it must not be started in this process.
+*/
+void setJavaSelected();
+
+/** Determines if the currently selected Java was set in this process.
+
+    @see setProcessId()
+ */
+bool wasJavaSelectedInSameProcess();
+/* Only for application mode.
+ */
+OUString getApplicationClassPath();
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */