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Closure Stylesheets is an extension to CSS that adds variables, functions, conditionals, and mixins to standard CSS. The tool also supports minification, linting, RTL flipping, and CSS class renaming.

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/*
 * Copyright 2011 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.css;

/**
 * {@link ExitCodeHandler} handles a request to exit with a specified exit code.
 * The default implementation, {@link DefaultExitCodeHandler} calls {@link
 * System#exit(int)}, but other implementations could throw an un-caught
 * Throwable or equivalent to terminate execution of the compiler. In no
 * case should an implementation return normally from {@link
 * #processExitCode}.
 *
 * @author [email protected] (Michael Bolin)
 */
public interface ExitCodeHandler {

    /**
     * Process the request to exit with the specified exit code.
     * Implementations of this method must never return normally.
     */
    void processExitCode(int exitCode);

}