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diff --git a/third_party/java/jopt-simple/src/main/java/joptsimple/ArgumentAcceptingOptionSpec.java b/third_party/java/jopt-simple/src/main/java/joptsimple/ArgumentAcceptingOptionSpec.java
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+/*
+ The MIT License
+
+ Copyright (c) 2004-2015 Paul R. Holser, Jr.
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+package joptsimple;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import static java.util.Collections.*;
+import static java.util.Objects.*;
+
+import static joptsimple.internal.Reflection.*;
+import static joptsimple.internal.Strings.*;
+
+/**
+ * <p>Specification of an option that accepts an argument.</p>
+ *
+ * <p>Instances are returned from {@link OptionSpecBuilder} methods to allow the formation of parser directives as
+ * sentences in a "fluent interface" language. For example:</p>
+ *
+ * <pre>
+ *   <code>
+ *   OptionParser parser = new OptionParser();
+ *   parser.accepts( "c" ).withRequiredArg().<strong>ofType( Integer.class )</strong>;
+ *   </code>
+ * </pre>
+ *
+ * <p>If no methods are invoked on an instance of this class, then that instance's option will treat its argument as
+ * a {@link String}.</p>
+ *
+ * @param <V> represents the type of the arguments this option accepts
+ * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
+ */
+public abstract class ArgumentAcceptingOptionSpec<V> extends AbstractOptionSpec<V> {
+    private static final char NIL_VALUE_SEPARATOR = '\u0000';
+
+    private final boolean argumentRequired;
+    private final List<V> defaultValues = new ArrayList<>();
+
+    private boolean optionRequired;
+    private ValueConverter<V> converter;
+    private String argumentDescription = "";
+    private String valueSeparator = String.valueOf( NIL_VALUE_SEPARATOR );
+
+    ArgumentAcceptingOptionSpec( String option, boolean argumentRequired ) {
+        super( option );
+
+        this.argumentRequired = argumentRequired;
+    }
+
+    ArgumentAcceptingOptionSpec( List<String> options, boolean argumentRequired, String description ) {
+        super( options, description );
+
+        this.argumentRequired = argumentRequired;
+    }
+
+    /**
+     * <p>Specifies a type to which arguments of this spec's option are to be converted.</p>
+     *
+     * <p>JOpt Simple accepts types that have either:</p>
+     *
+     * <ol>
+     *   <li>a public static method called {@code valueOf} which accepts a single argument of type {@link String}
+     *   and whose return type is the same as the class on which the method is declared.  The {@code java.lang}
+     *   primitive wrapper classes have such methods.</li>
+     *
+     *   <li>a public constructor which accepts a single argument of type {@link String}.</li>
+     * </ol>
+     *
+     * <p>This class converts arguments using those methods in that order; that is, {@code valueOf} would be invoked
+     * before a one-{@link String}-arg constructor would.</p>
+     *
+     * <p>Invoking this method will trump any previous calls to this method or to
+     * {@link #withValuesConvertedBy(ValueConverter)}.</p>
+     *
+     * @param <T> represents the runtime class of the desired option argument type
+     * @param argumentType desired type of arguments to this spec's option
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     * @throws NullPointerException if the type is {@code null}
+     * @throws IllegalArgumentException if the type does not have the standard conversion methods
+     */
+    public final <T> ArgumentAcceptingOptionSpec<T> ofType( Class<T> argumentType ) {
+        return withValuesConvertedBy( findConverter( argumentType ) );
+    }
+
+    /**
+     * <p>Specifies a converter to use to translate arguments of this spec's option into Java objects.  This is useful
+     * when converting to types that do not have the requisite factory method or constructor for
+     * {@link #ofType(Class)}.</p>
+     *
+     * <p>Invoking this method will trump any previous calls to this method or to {@link #ofType(Class)}.
+     *
+     * @param <T> represents the runtime class of the desired option argument type
+     * @param aConverter the converter to use
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     * @throws NullPointerException if the converter is {@code null}
+     */
+    @SuppressWarnings( "unchecked" )
+    public final <T> ArgumentAcceptingOptionSpec<T> withValuesConvertedBy( ValueConverter<T> aConverter ) {
+        if ( aConverter == null )
+            throw new NullPointerException( "illegal null converter" );
+
+        converter = (ValueConverter<V>) aConverter;
+        return (ArgumentAcceptingOptionSpec<T>) this;
+    }
+
+    /**
+     * <p>Specifies a description for the argument of the option that this spec represents.  This description is used
+     * when generating help information about the parser.</p>
+     *
+     * @param description describes the nature of the argument of this spec's option
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     */
+    public final ArgumentAcceptingOptionSpec<V> describedAs( String description ) {
+        argumentDescription = description;
+        return this;
+    }
+
+    /**
+     * <p>Specifies a value separator for the argument of the option that this spec represents.  This allows a single
+     * option argument to represent multiple values for the option.  For example:</p>
+     *
+     * <pre>
+     *   <code>
+     *   parser.accepts( "z" ).withRequiredArg()
+     *       .<strong>withValuesSeparatedBy( ',' )</strong>;
+     *   OptionSet options = parser.parse( new String[] { "-z", "foo,bar,baz", "-z",
+     *       "fizz", "-z", "buzz" } );
+     *   </code>
+     * </pre>
+     *
+     * <p>Then <code>options.valuesOf( "z" )</code> would yield the list {@code [foo, bar, baz, fizz, buzz]}.</p>
+     *
+     * <p>You cannot use Unicode U+0000 as the separator.</p>
+     *
+     * @param separator a character separator
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     * @throws IllegalArgumentException if the separator is Unicode U+0000
+     */
+    public final ArgumentAcceptingOptionSpec<V> withValuesSeparatedBy( char separator ) {
+        if ( separator == NIL_VALUE_SEPARATOR )
+            throw new IllegalArgumentException( "cannot use U+0000 as separator" );
+
+        valueSeparator = String.valueOf( separator );
+        return this;
+    }
+
+    /**
+     * <p>Specifies a value separator for the argument of the option that this spec represents.  This allows a single
+     * option argument to represent multiple values for the option.  For example:</p>
+     *
+     * <pre>
+     *   <code>
+     *   parser.accepts( "z" ).withRequiredArg()
+     *       .<strong>withValuesSeparatedBy( ":::" )</strong>;
+     *   OptionSet options = parser.parse( new String[] { "-z", "foo:::bar:::baz", "-z",
+     *       "fizz", "-z", "buzz" } );
+     *   </code>
+     * </pre>
+     *
+     * <p>Then <code>options.valuesOf( "z" )</code> would yield the list {@code [foo, bar, baz, fizz, buzz]}.</p>
+     *
+     * <p>You cannot use Unicode U+0000 in the separator.</p>
+     *
+     * @param separator a string separator
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     * @throws IllegalArgumentException if the separator contains Unicode U+0000
+     */
+    public final ArgumentAcceptingOptionSpec<V> withValuesSeparatedBy( String separator ) {
+        if ( separator.indexOf( NIL_VALUE_SEPARATOR ) != -1 )
+            throw new IllegalArgumentException( "cannot use U+0000 in separator" );
+
+        valueSeparator = separator;
+        return this;
+    }
+
+    /**
+     * Specifies a set of default values for the argument of the option that this spec represents.
+     *
+     * @param value the first in the set of default argument values for this spec's option
+     * @param values the (optional) remainder of the set of default argument values for this spec's option
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     * @throws NullPointerException if {@code value}, {@code values}, or any elements of {@code values} are
+     * {@code null}
+     */
+    @SafeVarargs
+    public final ArgumentAcceptingOptionSpec<V> defaultsTo( V value, V... values ) {
+        addDefaultValue( value );
+        defaultsTo( values );
+
+        return this;
+    }
+
+    /**
+     * Specifies a set of default values for the argument of the option that this spec represents.
+     *
+     * @param values the set of default argument values for this spec's option
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     * @throws NullPointerException if {@code values} or any elements of {@code values} are {@code null}
+     */
+    public ArgumentAcceptingOptionSpec<V> defaultsTo( V[] values ) {
+        for ( V each : values )
+            addDefaultValue( each );
+
+        return this;
+    }
+
+    /**
+     * Marks this option as required. An {@link OptionException} will be thrown when
+     * {@link OptionParser#parse(java.lang.String...)} is called, if an option is marked as required and not specified
+     * on the command line.
+     *
+     * @return self, so that the caller can add clauses to the fluent interface sentence
+     */
+    public ArgumentAcceptingOptionSpec<V> required() {
+        optionRequired = true;
+        return this;
+    }
+
+    public boolean isRequired() {
+        return optionRequired;
+    }
+
+    private void addDefaultValue( V value ) {
+        requireNonNull( value );
+        defaultValues.add( value );
+    }
+
+    @Override
+    final void handleOption( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions,
+        String detectedArgument ) {
+
+        if ( isNullOrEmpty( detectedArgument ) )
+            detectOptionArgument( parser, arguments, detectedOptions );
+        else
+            addArguments( detectedOptions, detectedArgument );
+    }
+
+    protected void addArguments( OptionSet detectedOptions, String detectedArgument ) {
+        StringTokenizer lexer = new StringTokenizer( detectedArgument, valueSeparator );
+        if ( !lexer.hasMoreTokens() )
+            detectedOptions.addWithArgument( this, detectedArgument );
+        else {
+            while ( lexer.hasMoreTokens() )
+                detectedOptions.addWithArgument( this, lexer.nextToken() );
+        }
+    }
+
+    protected abstract void detectOptionArgument( OptionParser parser, ArgumentList arguments,
+        OptionSet detectedOptions );
+
+    @Override
+    protected final V convert( String argument ) {
+        return convertWith( converter, argument );
+    }
+
+    protected boolean canConvertArgument( String argument ) {
+        StringTokenizer lexer = new StringTokenizer( argument, valueSeparator );
+
+        try {
+            while ( lexer.hasMoreTokens() )
+                convert( lexer.nextToken() );
+            return true;
+        } catch ( OptionException ignored ) {
+            return false;
+        }
+    }
+
+    protected boolean isArgumentOfNumberType() {
+        return converter != null && Number.class.isAssignableFrom( converter.valueType() );
+    }
+
+    public boolean acceptsArguments() {
+        return true;
+    }
+
+    public boolean requiresArgument() {
+        return argumentRequired;
+    }
+
+    public String argumentDescription() {
+        return argumentDescription;
+    }
+
+    public String argumentTypeIndicator() {
+        return argumentTypeIndicatorFrom( converter );
+    }
+
+    public List<V> defaultValues() {
+        return unmodifiableList( defaultValues );
+    }
+
+    @Override
+    public boolean equals( Object that ) {
+        if ( !super.equals( that ) )
+            return false;
+
+        ArgumentAcceptingOptionSpec<?> other = (ArgumentAcceptingOptionSpec<?>) that;
+        return requiresArgument() == other.requiresArgument();
+    }
+
+    @Override
+    public int hashCode() {
+        return super.hashCode() ^ ( argumentRequired ? 0 : 1 );
+    }
+}