/**
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import * as Schema from '../../../api/schema';
import { Card } from './card';
import { Collection } from './collection';
import { CollectionBrowse } from './collectionBrowse';
import { Image } from './image';
import { List } from './list';
import { Media } from './media';
import { Table } from './table';
export declare type PromptContent = Card | Collection | CollectionBrowse | Image | List | Media | Table;
/**
 * Rich responses add visual elements to enhance user interactions with your
 * Action.
 *
 * @see {@link https://developers.google.com/assistant/conversational/prompts-rich | Developer Documentation}
 */
export declare class Content {
    /**
     * A basic card.
     */
    card?: Schema.Card | undefined;
    /**
     * A collection.
     */
    collection?: Schema.Collection | undefined;
    /**
     * A card presenting a collection of web pages to open.
     */
    collectionBrowse?: Schema.CollectionBrowse | undefined;
    /**
     * An image.
     */
    image?: Schema.Image | undefined;
    /**
     * A list.
     */
    list?: Schema.List | undefined;
    /**
     * Response indicating a set of media to be played.
     */
    media?: Schema.Media | undefined;
    /**
     * Table card.
     */
    table?: Schema.Table | undefined;
    constructor(input?: Schema.Content);
}