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diff --git a/src/proguard/classfile/visitor/ParameterVisitor.java b/src/proguard/classfile/visitor/ParameterVisitor.java
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+++ b/src/proguard/classfile/visitor/ParameterVisitor.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * 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; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.classfile.visitor;
+
+import proguard.classfile.*;
+
+/**
+ * This interface specifies the methods for a visitor of method parameters or
+ * field types (which can be considered parameters when storing values). The
+ * parameters do not include or count the 'this' parameter or the method return
+ * value.
+ *
+ * @author Eric Lafortune
+ */
+public interface ParameterVisitor
+{
+    /**
+     * Visits the given parameter.
+     * @param clazz           the class of the method.
+     * @param member          the field or method of the parameter.
+     * @param parameterIndex  the index of the parameter.
+     * @param parameterCount  the total number of parameters.
+     * @param parameterOffset the offset of the parameter, accounting for
+     *                        longs and doubles taking up two entries.
+     * @param parameterSize   the total size of the parameters, accounting for
+     *                        longs and doubles taking up two entries.
+     * @param parameterType   the parameter type.
+     * @param referencedClass the class contained in the parameter type, if any.
+     */
+    public void visitParameter(Clazz  clazz,
+                               Member member,
+                               int    parameterIndex,
+                               int    parameterCount,
+                               int    parameterOffset,
+                               int    parameterSize,
+                               String parameterType,
+                               Clazz  referencedClass);
+}