/**
         * Determine whether the supplied child view has another specific sibling view as a
         * layout dependency.
         *
         * <p>This method will be called at least once in response to a layout request. If it
         * returns true for a given child and dependency view pair, the parent CoordinatorLayout
         * will:</p>
         * <ol>
         *     <li>Always lay out this child after the dependent child is laid out, regardless
         *     of child order.</li>
         *     <li>Call {@link #onDependentViewChanged} when the dependency view's layout or
         *     position changes.</li>
         * </ol>
         *
         * @param parent the parent view of the given child
         * @param child the child view to test
         * @param dependency the proposed dependency of child
         * @return true if child's layout depends on the proposed dependency's layout,
         *         false otherwise
         *
         * @see #onDependentViewChanged(CoordinatorLayout, android.view.View, android.view.View)
         */
        public boolean layoutDependsOn(CoordinatorLayout parent, V child, View dependency) {
            return false;
        }

        /**
         * Respond to a change in a child's dependent view
         *
         * <p>This method is called whenever a dependent view changes in size or position outside
         * of the standard layout flow. A Behavior may use this method to appropriately update
         * the child view in response.</p>
         *
         * <p>A view's dependency is determined by
         * {@link #layoutDependsOn(CoordinatorLayout, android.view.View, android.view.View)} or
         * if {@code child} has set another view as it's anchor.</p>
         *
         * <p>Note that if a Behavior changes the layout of a child via this method, it should
         * also be able to reconstruct the correct position in
         * {@link #onLayoutChild(CoordinatorLayout, android.view.View, int) onLayoutChild}.
         * <code>onDependentViewChanged</code> will not be called during normal layout since
         * the layout of each child view will always happen in dependency order.</p>
         *
         * <p>If the Behavior changes the child view's size or position, it should return true.
         * The default implementation returns false.</p>
         *
         * @param parent the parent view of the given child
         * @param child the child view to manipulate
         * @param dependency the dependent view that changed
         * @return true if the Behavior changed the child view's size or position, false otherwise
         */
        public boolean onDependentViewChanged(CoordinatorLayout parent, V child, View dependency) {
            return false;
        }