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diff --git a/ext/java/PsychLibrary.java b/ext/java/PsychLibrary.java
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+/***** BEGIN LICENSE BLOCK *****
+ * Version: CPL 1.0/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Common Public
+ * License Version 1.0 (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.eclipse.org/legal/cpl-v10.html
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * Copyright (C) 2010 Charles O Nutter <headius@headius.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the CPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the CPL, the GPL or the LGPL.
+ ***** END LICENSE BLOCK *****/
+package org.jruby.ext.psych;
+
+import org.jruby.Ruby;
+import org.jruby.RubyArray;
+import org.jruby.RubyModule;
+import org.jruby.RubyString;
+import org.jruby.internal.runtime.methods.JavaMethod.JavaMethodZero;
+import org.jruby.runtime.ThreadContext;
+import org.jruby.runtime.Visibility;
+import org.jruby.runtime.builtin.IRubyObject;
+import org.jruby.runtime.load.Library;
+
+public class PsychLibrary implements Library {
+    public void load(final Ruby runtime, boolean wrap) {
+        RubyModule psych = runtime.defineModule("Psych");
+        
+        RubyString version = runtime.newString("0.1.4");
+        version.setFrozen(true);
+        
+        final RubyArray versionElements = runtime.newArray(runtime.newFixnum(0), runtime.newFixnum(1), runtime.newFixnum(4));
+        versionElements.setFrozen(true);
+        
+        psych.setConstant("LIBYAML_VERSION", runtime.newString("0.1.4"));
+        psych.getSingletonClass().addMethod("libyaml_version", new JavaMethodZero(psych, Visibility.PUBLIC) {
+            @Override
+            public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name) {
+                return versionElements;
+            }
+        });
+        
+        PsychParser.initPsychParser(runtime, psych);
+        PsychEmitter.initPsychEmitter(runtime, psych);
+        PsychToRuby.initPsychToRuby(runtime, psych);
+        PsychYamlTree.initPsychYamlTree(runtime, psych);
+    }
+}