private static final Pattern VALID_USERNAME = Pattern.compile("^[a-zA-Z0-9._\\-@]+$");
    private static final Pattern VALID_DOMAIN = Pattern.compile("^[a-zA-Z0-9._\\-]+$");
    private static final Pattern VALID_SHARE = Pattern.compile("^[a-zA-Z0-9._\\-$]+$");
    private static final Pattern PATH_TRAVERSAL = Pattern.compile("\\.\\.[\\\\/]");
    private static final Pattern INVALID_PATH_CHARS = Pattern.compile("[\\x00-\\x1f\"*:<>?|]");

    /**

This directory contains JLine native libraries extracted from JLine JAR.

You can add your own build for platforms not natively supported by JLine.
See here [1] on how to compile for your platform and here [2] how libraries
follow JLine's directory and filename conventions.

[1] https://github.com/jline/jline3/tree/master/native

 */
@GwtIncompatible
interface PatternCompiler {
  /**
   * Compiles the given pattern.
   *
   * @throws IllegalArgumentException if the pattern is invalid
   */
  @RestrictedApi(
      explanation = "PatternCompiler is an implementation detail of com.google.common.base",
      allowedOnPath = ".*/com/google/common/base/.*")
  CommonPattern compile(String pattern);

  /**

                        urlPatterList.add(Pattern.compile(v));
                    }
                }
                excludedDocUrlPatterns = urlPatterList.toArray(new Pattern[urlPatterList.size()]);
            } else if (includedDocUrlPatterns.length > 0) {
                excludedDocUrlPatterns = new Pattern[] { Pattern.compile(".*") };
            } else {

        String RESOURCES = "resources";
        String COMPILE = "compile";
        String READY = "ready";
        String PACKAGE = "package";
        String VERIFY = "verify";
        String UNIT_TEST = "unit-test";
        String TEST_SOURCES = "test-sources";
        String TEST_RESOURCES = "test-resources";
        String TEST_COMPILE = "test-compile";
        String TEST = "test";

                        pathPatterList.add(Pattern.compile(systemHelper.encodeUrlFilter(v)));
                    }
                }
                excludedDocPathPatterns = pathPatterList.toArray(new Pattern[pathPatterList.size()]);
            } else if (includedDocPathPatterns.length > 0) {
                excludedDocPathPatterns = new Pattern[] { Pattern.compile(".*") };
            } else {

		<property name="propertyMap">defaultPropertyMap</property>
		<property name="childUrlRuleMap">htmlUrlRuleMap</property>
		<!--
		<property name="invalidUrlPattern">@java.util.regex.Pattern@compile("^\\s*javascript:|^\\s*mailto:|^\\s*irc:|^\\s*skype:|^\\s*callto:",@java.util.regex.Pattern@CASE_INSENSITIVE)</property>
		 -->
		<property name="convertUrlMap">
			{"feed:" : "http:"}
		</property>
		<!-- segment -->

     */
    map.put(Integer.class, new Integer(5));
    assertThrows(ClassCastException.class, () -> map.put(Double.class, new Long(42)));
    // Won't compile: map.put(String.class, "x");
  }

  public void testPutAndGetInstance() {
    assertNull(map.putInstance(Integer.class, new Integer(5)));

    Integer oldValue = map.putInstance(Integer.class, new Integer(7));

    /**
     * Shortcut for {@code getService(DependencyResolver.class).flatten(...)}.
     *
     * @param node node for which to get a flattened list
     * @param scope build path scope (main compile, test compile, etc.) of desired nodes
     * @return flattened list of node with the given build path scope
     * @throws org.apache.maven.api.services.DependencyResolverException if the dependency flattening failed
     *

 * limitations under the License.
 */

package com.google.common;

import com.google.gwt.core.client.EntryPoint;

/**
 * A dummy entry point to convince Maven to compile our classes.
 *
 * @author Chris Povirk
 */
public class ForceGuavaCompilationEntryPoint implements EntryPoint {
  @Override
  public void onModuleLoad() {}