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diff --git a/include/unotools/ucbhelper.hxx b/include/unotools/ucbhelper.hxx
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+++ b/include/unotools/ucbhelper.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_UNOTOOLS_UCBHELPER_HXX
+#define INCLUDED_UNOTOOLS_UCBHELPER_HXX
+
+#include <sal/config.h>
+
+#include <unotools/unotoolsdllapi.h>
+#include <rtl/ustring.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+
+namespace com::sun::star {
+    namespace uno {
+        class Any;
+        class XComponentContext;
+    }
+    namespace ucb{
+        class XCommandEnvironment;
+    }
+}
+namespace ucbhelper { class Content; }
+
+namespace utl::UCBContentHelper {
+
+UNOTOOLS_DLLPUBLIC bool IsDocument(OUString const & url);
+
+UNOTOOLS_DLLPUBLIC bool IsFolder(OUString const & url);
+
+/// @param title must not be null
+/// @return true iff title has been set (i.e., if obtaining the "Title" property
+///     of the given content yields a non-void value without raising a
+///     non-RuntimeException; RuntimeExceptions are passed through)
+UNOTOOLS_DLLPUBLIC bool GetTitle(
+    OUString const & url, OUString * title);
+
+UNOTOOLS_DLLPUBLIC bool Kill(OUString const & url);
+
+UNOTOOLS_DLLPUBLIC css::uno::Any GetProperty(
+    OUString const & url, OUString const & property);
+
+UNOTOOLS_DLLPUBLIC bool MakeFolder(
+    ucbhelper::Content & parent, OUString const & title,
+    ucbhelper::Content & result);
+
+/// like mkdir -p
+UNOTOOLS_DLLPUBLIC bool ensureFolder(
+    const css::uno::Reference< css::uno::XComponentContext >& xCtx,
+    const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv,
+    std::u16string_view rFolder, ucbhelper::Content & result) noexcept;
+
+UNOTOOLS_DLLPUBLIC bool IsYounger(
+    OUString const & younger, OUString const & older);
+
+UNOTOOLS_DLLPUBLIC bool Exists(OUString const & url);
+
+UNOTOOLS_DLLPUBLIC bool IsSubPath(
+    OUString const & parent, OUString const & child);
+
+UNOTOOLS_DLLPUBLIC bool EqualURLs(
+    OUString const & url1, OUString const & url2);
+
+/**
+* Returns a default XCommandEnvironment to be used
+* when creating a ucbhelper::Content.
+*
+* Due to the way the WebDAV UCP provider works, an interaction handler
+* is always needed:
+* 1) to activate the credential dialog or to provide the cached credentials
+* whenever the server requests them;
+*
+* 2) in case of ssl connection (https) to activate the dialog to show the
+* certificate if said certificate looks wrong or dubious.
+*
+* This helper provides the XCommandEnvironment with an interaction
+* handler that intercepts:
+* 1) css::ucb::AuthenticationRequest()
+* 2) css::ucb::CertificateValidationRequest()
+* 3) css::ucb::InteractiveIOException()
+* 4) css::ucb::UnsupportedDataSinkException()
+*
+* Exception 1) and 2) will be passed to the UI handler, e.g. shown to
+* the user for interaction.
+*
+* Exception 3) and 4) will be have a default 'Abort' result.
+* See comphelper::StillReadWriteInteraction for details.
+* comphelper::StillReadWriteInteraction was introduced in
+* commit bbe51f039dffca2506ea542feb78571b6358b981.
+*/
+UNOTOOLS_DLLPUBLIC
+    css::uno::Reference< css::ucb::XCommandEnvironment > getDefaultCommandEnvironment();
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */