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diff --git a/src/VBox/ValidationKit/ValidationKitCodingGuidelines.cpp b/src/VBox/ValidationKit/ValidationKitCodingGuidelines.cpp
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+/* $Id: ValidationKitCodingGuidelines.cpp $ */
+/** @file
+ * VirtualBox Validation Kit - Coding Guidelines.
+ */
+
+/*
+ * Copyright (C) 2010-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/** @page pg_validationkit_guideline    Validation Kit Coding Guidelines
+ *
+ * The guidelines extends the VBox coding guidelines (@ref pg_vbox_guideline)
+ * and currently only defines python prefixes and linting.
+ *
+ *
+ * @section sec_validationkit_guideline_python      Python
+ *
+ * Python is a typeless language so using prefixes to indicate the intended
+ * type of a variable or attribute can be very helpful.
+ *
+ * Type prefixes:
+ *      - 'b' for byte (octect).
+ *      - 'ch' for a single character.
+ *      - 'f' for boolean and flags.
+ *      - 'fn' for function or method references.
+ *      - 'fp' for floating point values.
+ *      - 'i' for integers.
+ *      - 'l' for long integers.
+ *      - 'o' for objects, structures and anything with attributes that doesn't
+ *        match any of the other type prefixes.
+ *      - 'r' for a range or xrange.
+ *      - 's' for a string (can be unicode).
+ *      - 'su' for a unicode string when the distinction is important.
+ *
+ * Collection qualifiers:
+ *      - 'a' for a list or an array.
+ *      - 'd' for a dictionary.
+ *      - 'h' for a set (hashed).
+ *      - 't' for a tuple.
+ *
+ * Other qualifiers:
+ *      - 'c' for a count. Implies integer or long integer type. Higest
+ *        priority.
+ *      - 'sec' for a second value. Implies long integer type.
+ *      - 'ms' for a millisecond value. Implies long integer type.
+ *      - 'us' for a microsecond value. Implies long integer type.
+ *      - 'ns' for a nanosecond value. Implies long integer type.
+ *
+ * The 'ms', 'us', 'ns' and 'se' qualifiers can be capitalized when prefixed by
+ * 'c', e.g. cMsElapsed.  While this technically means they are no longer a
+ * prefix, it's easier to read and everyone understands what it means.
+ *
+ * The type collection qualifiers comes first, then the other qualifiers and
+ * finally the type qualifier.
+ *
+ * Python statements are terminated by semicolons (';') as a convention.
+ *
+ */
+