return this;
    }

    /**
     * Sets a converter.
     *
     * @param converter
     *            The converter. Must not be {@literal null}.
     * @param propertyNames
     *            The property names to which this converter will be applied. Each element must not be {@literal null} or an empty string.
     * @return This instance itself
     */

   * {@code edge} will be undirected in this graph.
   *
   * <p>If this graph is directed, {@code endpoints} must be ordered.
   *
   * <p><b>{@code edge} must be unique to this graph</b>, just as a {@code Map} key must be. It must
   * also be non-null.
   *
   * <p>If either or both endpoints are not already present in this graph, this method will silently

 *    server's hostname. The server must also have is a (possibly-empty) chain of intermediate
 *    certificates to establish trust from a root certificate to the server's certificate. The root
 *    certificate is not included in this chain.
 *  * The client's handshake certificates must include a set of trusted root certificates. They will

    /**
     * Calculates checksums for specified data.
     *
     * @param data        The content for which to calculate checksums, must not be {@code null}.
     * @param algorithms  The checksum algorithms to use, must not be {@code null}.
     * @return The calculated checksums, indexed by algorithms, never {@code null}.
     * @throws NullPointerException if passed in any parameter is {@code null}.

    assertWithMessage(
            rootLocaleFormat("%s must be annotated with @TesterAnnotation.", annotationClass))
        .that(annotationClass.getAnnotation(TesterAnnotation.class))
        .isNotNull();
    Retention retentionPolicy = annotationClass.getAnnotation(Retention.class);
    assertWithMessage(rootLocaleFormat("%s must have a @Retention annotation.", annotationClass))
        .that(retentionPolicy)

     *
     * @param groupId The group id of the cache record, must not be {@code null}.
     * @param artifactId The artifact id of the cache record, must not be {@code null}.
     * @param version The version of the cache record, must not be {@code null}.
     * @param tag The tag of the cache record, must not be {@code null}.
     * @param data The data to store in the cache, must not be {@code null}.
     */

     *
     * @param project         The project whose dependencies should be resolved, must not be {@code null}.
     * @param scopesToResolve The dependency scopes that should be resolved, may be {@code null}.
     * @param session         The current build session, must not be {@code null}.
     * @return The transitive dependencies of the specified project that match the requested scopes, never {@code null}.

    /**
     * Builds a project descriptor from the specified POM file.
     *
     * @param projectFile The POM file to build the project from, must not be {@code null}.
     * @param request The project building request that holds further parameters, must not be {@code null}.
     * @return The result of the project building, never {@code null}.

     *
     * @param targetClass
     *            The target class. Must not be {@literal null}.
     * @param name
     *            The resource name. Must not be {@literal null} or an empty string.
     * @return An iterator of URL objects for the resources. If no resources are found, the iterator will be empty.

        assertContains(problems.messages.get(0), "'mirrors.mirror.id' must not be 'local'");
        assertContains(problems.messages.get(1), "'mirrors.mirror.url' for local is missing");
        assertContains(problems.messages.get(2), "'mirrors.mirror.mirrorOf' for local is missing");
        assertContains(problems.messages.get(3), "'mirrors.mirror.id' must not contain any of these characters");
    }

    @Test