diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/OptionDeclarer.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/OptionDeclarer.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.internal.joptsimple;
+
+import java.util.Collection;
+
+/**
+ * Trains the option parser. This interface aids integration with other code which may expose declaration of options but
+ * not actual command-line parsing.
+ *
+ * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
+ * @see OptionParser
+ */
+public interface OptionDeclarer {
+    /**
+     * Tells the parser to recognize the given option.
+     *
+     * <p>This method returns an instance of {@link OptionSpecBuilder} to allow the formation of parser directives
+     * as sentences in a fluent interface language. For example:</p>
+     *
+     * <pre><code>
+     *   OptionDeclarer parser = new OptionParser();
+     *   parser.<strong>accepts( "c" )</strong>.withRequiredArg().ofType( Integer.class );
+     * </code></pre>
+     *
+     * <p>If no methods are invoked on the returned {@link OptionSpecBuilder}, then the parser treats the option as
+     * accepting no argument.</p>
+     *
+     * @param option the option to recognize
+     * @return an object that can be used to flesh out more detail about the option
+     * @throws OptionException if the option contains illegal characters
+     * @throws NullPointerException if the option is {@code null}
+     */
+    OptionSpecBuilder accepts( String option );
+
+    /**
+     * Tells the parser to recognize the given option.
+     *
+     * @see #accepts(String)
+     * @param option the option to recognize
+     * @param description a string that describes the purpose of the option. This is used when generating help
+     * information about the parser.
+     * @return an object that can be used to flesh out more detail about the option
+     * @throws OptionException if the option contains illegal characters
+     * @throws NullPointerException if the option is {@code null}
+     */
+    OptionSpecBuilder accepts( String option, String description );
+
+    /**
+     * Tells the parser to recognize the given options, and treat them as synonymous.
+     *
+     * @see #accepts(String)
+     * @param options the options to recognize and treat as synonymous
+     * @return an object that can be used to flesh out more detail about the options
+     * @throws OptionException if any of the options contain illegal characters
+     * @throws NullPointerException if the option list or any of its elements are {@code null}
+     */
+    OptionSpecBuilder acceptsAll( Collection<String> options );
+
+    /**
+     * Tells the parser to recognize the given options, and treat them as synonymous.
+     *
+     * @see #acceptsAll(Collection)
+     * @param options the options to recognize and treat as synonymous
+     * @param description a string that describes the purpose of the option.  This is used when generating help
+     * information about the parser.
+     * @return an object that can be used to flesh out more detail about the options
+     * @throws OptionException if any of the options contain illegal characters
+     * @throws NullPointerException if the option list or any of its elements are {@code null}
+     * @throws IllegalArgumentException if the option list is empty
+     */
+    OptionSpecBuilder acceptsAll( Collection<String> options, String description );
+
+    /**
+     * Gives an object that represents an access point for non-option arguments on a command line.
+     *
+     * @return an object that can be used to flesh out more detail about the non-option arguments
+     */
+    NonOptionArgumentSpec<String> nonOptions();
+
+    /**
+     * Gives an object that represents an access point for non-option arguments on a command line.
+     *
+     * @see #nonOptions()
+     * @param description a string that describes the purpose of the non-option arguments. This is used when generating
+     * help information about the parser.
+     * @return an object that can be used to flesh out more detail about the non-option arguments
+     */
+    NonOptionArgumentSpec<String> nonOptions( String description );
+
+    /**
+     * Tells the parser whether or not to behave "POSIX-ly correct"-ly.
+     *
+     * @param setting {@code true} if the parser should behave "POSIX-ly correct"-ly
+     */
+    void posixlyCorrect( boolean setting );
+
+    /**
+     * <p>Tells the parser to treat unrecognized options as non-option arguments.</p>
+     *
+     * <p>If not called, then the parser raises an {@link OptionException} when it encounters an unrecognized
+     * option.</p>
+     */
+    void allowsUnrecognizedOptions();
+
+    /**
+     * Tells the parser either to recognize or ignore <kbd>"-W"</kbd>-style long options.
+     *
+     * @param recognize {@code true} if the parser is to recognize the special style of long options
+     */
+    void recognizeAlternativeLongOptions( boolean recognize );
+}