return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public String getCreatedBy() {
        checkSpecifiedProperty("createdBy");
        return convertEmptyToNull(createdBy);

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public String getCreatedBy() {
        checkSpecifiedProperty("createdBy");
        return convertEmptyToNull(createdBy);

$link.addClass(ClassName.ACTIVE)\n    } else {\n      // Set triggered link as active\n      $link.addClass(ClassName.ACTIVE)\n      // Set triggered links parents as active\n      // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n      $link.parents(Selector.NAV_LIST_GROUP).prev(`${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`).addClass(ClassName.ACTIVE)\n      // Handle special case when .nav-link is inside .nav-item\n      $link.parents(Selector.NAV_LIST_GROUP).prev(Se...

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public String getElevateWordId() {
        checkSpecifiedProperty("elevateWordId");

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public String getContent() {
        checkSpecifiedProperty("content");
        return convertEmptyToNull(content);
    }

 *       elements were added (insertion order)
 * </ul>
 *
 * <p>{@code Network}s built by this class also guarantee that each collection-returning accessor
 * returns a <b>(live) unmodifiable view</b>; see <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#accessor-behavior">the external
 * documentation</a> for details.
 *
 * <p>Examples of use:
 *
 * <pre>{@code
 * // Building a mutable network

        final ClassLoader thisClassLoader = ClassLoaderUtil.class.getClassLoader();
        if (targetClassLoader != null && thisClassLoader != null) {
            if (isAncestor(thisClassLoader, targetClassLoader)) {
                return thisClassLoader;
            }
            return targetClassLoader;
        }
        if (targetClassLoader != null) {
            return targetClassLoader;

 *       order)
 * </ul>
 *
 * <p>{@code Graph}s built by this class also guarantee that each collection-returning accessor
 * returns a <b>(live) unmodifiable view</b>; see <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#accessor-behavior">the external
 * documentation</a> for details.
 *
 * <p>Examples of use:
 *
 * <pre>{@code
 * // Building a mutable graph

            val bindingContext = analysisContext.analyze(declaration)
            val kotlinType = bindingContext[BindingContext.PROPERTY_ACCESSOR, declaration]?.returnType
                ?: ErrorUtils.createErrorType(
                    ErrorTypeKind.IMPLICIT_RETURN_TYPE_FOR_PROPERTY_ACCESSOR, declaration.property.name ?: "<unknown>"
                )

            return kotlinType.toKtType(analysisContext)
        }

@ElementTypesAreNonnullByDefault
public abstract class AbstractCollectionTester<E extends @Nullable Object>
    extends AbstractContainerTester<Collection<E>, E> {

  // TODO: replace this with an accessor.
  protected Collection<E> collection;

  @Override
  protected Collection<E> actualContents() {
    return collection;
  }

  // TODO: dispose of this once collection is encapsulated.
  @Override