author | jjg |
Fri, 15 Jan 2016 15:40:24 -0800 | |
changeset 35346 | c0614a805fad |
parent 34916 | 16043fc1d90b |
child 43265 | 4ec472ee5135 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.source.util; |
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import java.io.IOException; |
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import java.text.BreakIterator; |
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import java.util.List; |
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import javax.annotation.processing.ProcessingEnvironment; |
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import javax.lang.model.element.Element; |
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import javax.tools.Diagnostic; |
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import javax.tools.FileObject; |
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import javax.tools.JavaCompiler.CompilationTask; |
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import com.sun.source.doctree.DocCommentTree; |
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import com.sun.source.doctree.DocTree; |
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/** |
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* Provides access to syntax trees for doc comments. |
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* |
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* @since 1.8 |
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*/ |
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public abstract class DocTrees extends Trees { |
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/** |
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* Returns a DocTrees object for a given CompilationTask. |
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* @param task the compilation task for which to get the Trees object |
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* @return the DocTrees object |
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* @throws IllegalArgumentException if the task does not support the Trees API. |
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*/ |
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public static DocTrees instance(CompilationTask task) { |
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return (DocTrees) Trees.instance(task); |
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} |
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/** |
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* Returns a DocTrees object for a given ProcessingEnvironment. |
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* @param env the processing environment for which to get the Trees object |
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* @return the DocTrees object |
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* @throws IllegalArgumentException if the env does not support the Trees API. |
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*/ |
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public static DocTrees instance(ProcessingEnvironment env) { |
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if (!env.getClass().getName().equals("com.sun.tools.javac.processing.JavacProcessingEnvironment")) |
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throw new IllegalArgumentException(); |
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return (DocTrees) getJavacTrees(ProcessingEnvironment.class, env); |
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} |
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/** |
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* Returns the break iterator used to compute the first sentence of |
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* documentation comments. |
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* Returns {@code null} if none has been specified. |
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* @return the break iterator |
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* |
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* @since 9 |
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*/ |
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public abstract BreakIterator getBreakIterator(); |
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/** |
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* Returns the doc comment tree, if any, for the Tree node identified by a given TreePath. |
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* Returns {@code null} if no doc comment was found. |
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* @param path the path for the tree node |
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* @return the doc comment tree |
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*/ |
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public abstract DocCommentTree getDocCommentTree(TreePath path); |
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/** |
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* Returns the doc comment tree of the given element. |
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* Returns {@code null} if no doc comment was found. |
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* @param e an element whose documentation is required |
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* @return the doc comment tree |
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* |
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* @since 9 |
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*/ |
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public abstract DocCommentTree getDocCommentTree(Element e); |
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/** |
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* Returns the doc comment tree of the given file. The file must be |
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* an HTML file, in which case the doc comment tree represents the |
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* contents of the <body> tag, and any enclosing tags are ignored. |
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* Returns {@code null} if no doc comment was found. |
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* Future releases may support additional file types. |
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* |
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* @param fileObject the content container |
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* @return the doc comment tree |
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* |
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* @since 9 |
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*/ |
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public abstract DocCommentTree getDocCommentTree(FileObject fileObject); |
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/** |
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* Returns the doc comment tree of the given file whose path is |
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* specified relative to the given element. The file must be an HTML |
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* file, in which case the doc comment tree represents the contents |
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* of the <body> tag, and any enclosing tags are ignored. |
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* Returns {@code null} if no doc comment was found. |
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* Future releases may support additional file types. |
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* |
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* @param e an element whose path is used as a reference |
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* @param relativePath the relative path from the Element |
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* @return the doc comment tree |
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* @throws java.io.IOException if an exception occurs |
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* |
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* @since 9 |
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*/ |
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public abstract DocCommentTree getDocCommentTree(Element e, String relativePath) throws IOException; |
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/** |
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* Returns a doc tree path containing the doc comment tree of the given file. |
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* The file must be an HTML file, in which case the doc comment tree represents the |
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* contents of the <body> tag, and any enclosing tags are ignored. |
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* Returns {@code null} if no doc comment was found. |
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* Future releases may support additional file types. |
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* |
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* @param fileObject the content container |
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* @return a doc tree path containing the doc comment read from the given file. |
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* |
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* @since 9 |
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*/ |
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public abstract DocTreePath getDocTreePath(FileObject fileObject); |
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|
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/** |
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* Returns the language model element referred to by the leaf node of the given |
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* {@link DocTreePath}, or {@code null} if unknown. |
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* @param path the path for the tree node |
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* @return the element |
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*/ |
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public abstract Element getElement(DocTreePath path); |
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/** |
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* Returns the list of {@link DocTree} representing the first sentence of |
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* a comment. |
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* |
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* @param list the DocTree list to interrogate |
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* @return the first sentence |
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* |
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* @since 9 |
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*/ |
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public abstract List<DocTree> getFirstSentence(List<? extends DocTree> list); |
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||
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/** |
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* Returns a utility object for accessing the source positions |
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* of documentation tree nodes. |
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* @return the utility object |
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*/ |
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public abstract DocSourcePositions getSourcePositions(); |
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/** |
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* Prints a message of the specified kind at the location of the |
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* tree within the provided compilation unit |
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* |
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* @param kind the kind of message |
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* @param msg the message, or an empty string if none |
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* @param t the tree to use as a position hint |
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* @param c the doc comment tree to use as a position hint |
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* @param root the compilation unit that contains tree |
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*/ |
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public abstract void printMessage(Diagnostic.Kind kind, CharSequence msg, |
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com.sun.source.doctree.DocTree t, |
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com.sun.source.doctree.DocCommentTree c, |
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com.sun.source.tree.CompilationUnitTree root); |
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|
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/** |
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* Sets the break iterator to compute the first sentence of |
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* documentation comments. |
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* @param breakiterator a break iterator or {@code null} to specify the default |
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* sentence breaker |
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* |
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* @since 9 |
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*/ |
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public abstract void setBreakIterator(BreakIterator breakiterator); |
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|
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/** |
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* Returns a utility object for creating {@code DocTree} objects. |
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* @return a utility object for creating {@code DocTree} objects |
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* |
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* @since 9 |
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*/ |
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public abstract DocTreeFactory getDocTreeFactory(); |
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} |