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diff --git a/library/symfony/options-resolver/OptionsResolverInterface.php b/library/symfony/options-resolver/OptionsResolverInterface.php
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+++ b/library/symfony/options-resolver/OptionsResolverInterface.php
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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\OptionsResolver;
+
+use Symfony\Component\OptionsResolver\Exception\InvalidOptionsException;
+use Symfony\Component\OptionsResolver\Exception\MissingOptionsException;
+use Symfony\Component\OptionsResolver\Exception\OptionDefinitionException;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @deprecated since version 2.6, to be removed in 3.0. Use {@link OptionsResolver} instead.
+ */
+interface OptionsResolverInterface
+{
+    /**
+     * Sets default option values.
+     *
+     * The options can either be values of any types or closures that
+     * evaluate the option value lazily. These closures must have one
+     * of the following signatures:
+     *
+     * <code>
+     * function (Options $options)
+     * function (Options $options, $value)
+     * </code>
+     *
+     * The second parameter passed to the closure is the previously
+     * set default value, in case you are overwriting an existing
+     * default value.
+     *
+     * The closures should return the lazily created option value.
+     *
+     * @param array $defaultValues A list of option names as keys and default
+     *                             values or closures as values.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     */
+    public function setDefaults(array $defaultValues);
+
+    /**
+     * Replaces default option values.
+     *
+     * Old defaults are erased, which means that closures passed here cannot
+     * access the previous default value. This may be useful to improve
+     * performance if the previous default value is calculated by an expensive
+     * closure.
+     *
+     * @param array $defaultValues A list of option names as keys and default
+     *                             values or closures as values.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     */
+    public function replaceDefaults(array $defaultValues);
+
+    /**
+     * Sets optional options.
+     *
+     * This method declares valid option names without setting default values for them.
+     * If these options are not passed to {@link resolve()} and no default has been set
+     * for them, they will be missing in the final options array. This can be helpful
+     * if you want to determine whether an option has been set or not because otherwise
+     * {@link resolve()} would trigger an exception for unknown options.
+     *
+     * @param array $optionNames A list of option names.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     */
+    public function setOptional(array $optionNames);
+
+    /**
+     * Sets required options.
+     *
+     * If these options are not passed to {@link resolve()} and no default has been set for
+     * them, an exception will be thrown.
+     *
+     * @param array $optionNames A list of option names.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     */
+    public function setRequired($optionNames);
+
+    /**
+     * Sets allowed values for a list of options.
+     *
+     * @param array $allowedValues A list of option names as keys and arrays
+     *                             with values acceptable for that option as
+     *                             values.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     *
+     * @throws InvalidOptionsException If an option has not been defined
+     *                                 (see {@link isKnown()}) for which
+     *                                 an allowed value is set.
+     */
+    public function setAllowedValues($allowedValues);
+
+    /**
+     * Adds allowed values for a list of options.
+     *
+     * The values are merged with the allowed values defined previously.
+     *
+     * @param array $allowedValues A list of option names as keys and arrays
+     *                             with values acceptable for that option as
+     *                             values.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     *
+     * @throws InvalidOptionsException If an option has not been defined
+     *                                 (see {@link isKnown()}) for which
+     *                                 an allowed value is set.
+     */
+    public function addAllowedValues($allowedValues);
+
+    /**
+     * Sets allowed types for a list of options.
+     *
+     * @param array $allowedTypes A list of option names as keys and type
+     *                            names passed as string or array as values.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     *
+     * @throws InvalidOptionsException If an option has not been defined for
+     *                                 which an allowed type is set.
+     */
+    public function setAllowedTypes($allowedTypes);
+
+    /**
+     * Adds allowed types for a list of options.
+     *
+     * The types are merged with the allowed types defined previously.
+     *
+     * @param array $allowedTypes A list of option names as keys and type
+     *                            names passed as string or array as values.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     *
+     * @throws InvalidOptionsException If an option has not been defined for
+     *                                 which an allowed type is set.
+     */
+    public function addAllowedTypes($allowedTypes);
+
+    /**
+     * Sets normalizers that are applied on resolved options.
+     *
+     * The normalizers should be closures with the following signature:
+     *
+     * <code>
+     * function (Options $options, $value)
+     * </code>
+     *
+     * The second parameter passed to the closure is the value of
+     * the option.
+     *
+     * The closure should return the normalized value.
+     *
+     * @param array $normalizers An array of closures.
+     *
+     * @return OptionsResolverInterface The resolver instance.
+     */
+    public function setNormalizers(array $normalizers);
+
+    /**
+     * Returns whether an option is known.
+     *
+     * An option is known if it has been passed to either {@link setDefaults()},
+     * {@link setRequired()} or {@link setOptional()} before.
+     *
+     * @param string $option The name of the option.
+     *
+     * @return bool Whether the option is known.
+     */
+    public function isKnown($option);
+
+    /**
+     * Returns whether an option is required.
+     *
+     * An option is required if it has been passed to {@link setRequired()},
+     * but not to {@link setDefaults()}. That is, the option has been declared
+     * as required and no default value has been set.
+     *
+     * @param string $option The name of the option.
+     *
+     * @return bool Whether the option is required.
+     */
+    public function isRequired($option);
+
+    /**
+     * Returns the combination of the default and the passed options.
+     *
+     * @param array $options The custom option values.
+     *
+     * @return array A list of options and their values.
+     *
+     * @throws InvalidOptionsException   If any of the passed options has not
+     *                                   been defined or does not contain an
+     *                                   allowed value.
+     * @throws MissingOptionsException   If a required option is missing.
+     * @throws OptionDefinitionException If a cyclic dependency is detected
+     *                                   between two lazy options.
+     */
+    public function resolve(array $options = array());
+}