label: Actual Behavior
      description: What actually happened?
    validations:
      required: true

  - type: dropdown
    attributes:
      label: Packages
      description: If this issue is package-specific, then please select the relevant packages.
      multiple: true
      options:
        - com.google.common.annotations
        - com.google.common.base
        - com.google.common.cache

 * {@link Escaper}.
 *
 * <p>Additional escapers implementations are found in the applicable packages: {@link
 * com.google.common.html.HtmlEscapers} in {@code com.google.common.html}, {@link
 * com.google.common.xml.XmlEscapers} in {@code com.google.common.xml}, and {@link
 * com.google.common.net.UrlEscapers} in {@code com.google.common.net}.
 *
 * <p>This package is a part of the open-source <a href="https://github.com/google/guava">Guava</a>
 * library.

import java.lang.reflect.Method;
import junit.framework.TestCase;

/**
 * Tests that all package-private {@code writeReplace} methods are overridden in any existing
 * subclasses. Without such overrides, optimizers might put a {@code writeReplace}-containing class
 * and its subclass in different packages, causing the serialization system to fail to invoke {@code

import java.lang.reflect.Method;
import junit.framework.TestCase;

/**
 * Tests that all package-private {@code writeReplace} methods are overridden in any existing
 * subclasses. Without such overrides, optimizers might put a {@code writeReplace}-containing class
 * and its subclass in different packages, causing the serialization system to fail to invoke {@code

      description: Please provide use cases that actually came up in the real world.
    validations:
      required: true

  - type: dropdown
    attributes:
      label: Packages
      description: Please select all of the packages that are relevant to this feature request.
      multiple: true
      options:
        - com.google.common.annotations
        - com.google.common.base
        - com.google.common.cache

          </execution>
        </executions>
        <configuration>
          <instructions>
            <Export-Package>
              !com.google.common.base.internal,
              !com.google.common.util.concurrent.internal,
              com.google.common.*
            </Export-Package>
            <Import-Package>
              com.google.common.util.concurrent.internal,
              javax.annotation;resolution:=optional,

    } catch (Throwable t) {
      /*
       * This is not one of AppEngine's allowed classes, so even in Sun JDKs, this can fail with
       * a NoClassDefFoundError. Other apps might deny access to sun.misc packages.
       */
      return null;
    }
  }

  /**
   * Returns the Method that can be used to resolve an individual StackTraceElement, or null if that

    } catch (Throwable t) {
      /*
       * This is not one of AppEngine's allowed classes, so even in Sun JDKs, this can fail with
       * a NoClassDefFoundError. Other apps might deny access to sun.misc packages.
       */
      return null;
    }
  }

  /**
   * Returns the Method that can be used to resolve an individual StackTraceElement, or null if that

          </execution>
        </executions>
        <configuration>
          <instructions>
            <Export-Package>
              !com.google.common.base.internal,
              !com.google.common.util.concurrent.internal,
              com.google.common.*
            </Export-Package>
            <Import-Package>
              com.google.common.util.concurrent.internal,
              javax.annotation;resolution:=optional,

      <id>open-jre-modules</id>
      <activation>
        <jdk>[9,]</jdk>
      </activation>
      <properties>
        <!--
            Some tests need reflective access to the internals of these packages. It is only the
            tests themselves and not the code being tested that needs that access, though there's no
            obvious way to ensure that.