import BaseObject from "./baseObject";
import { ByteVector } from "../../byteVector";
import { ObjectType } from "../constants";
import { File } from "../../file";
/**
 * This class extends {@link BaseObject} to provide a representation of an ASF content description
 * object. The content description object is optional and provides standard bibliographic
 * information such as title, author, copyright, description, rating information.
 */
export default class ContentDescriptionObject extends BaseObject {
    private _author;
    private _copyright;
    private _description;
    private _rating;
    private _title;
    private constructor();
    /**
     * Constructs a blank content description object.
     */
    static fromEmpty(): ContentDescriptionObject;
    /**
     * Constructs a new instance by reading from a file.
     * @param file File to read the content description object from
     * @param position Offset into the file where the object begins
     */
    static fromFile(file: File, position: number): ContentDescriptionObject;
    /**
     * Gets the author of the media described by the current instance.
     * @returns Author of the media or `undefined` if it is not set.
     */
    get author(): string;
    /**
     * Sets the author of the media described by the current instance.
     */
    set author(value: string);
    /**
     * Gets the copyright information of the media described by the current instance.
     * @returns Copyright information of the media or `undefined` if it is not set.
     */
    get copyright(): string;
    /**
     * Sets the copyright information of the media described by the current instance.
     */
    set copyright(value: string);
    /**
     * Gets the description of the media described by the current instance.
     * @returns Description of the media or `undefined` if it is not set.
     */
    get description(): string;
    /**
     * Sets the description of the media described by the current instance.
     */
    set description(value: string);
    /**
     * Gets whether the current instance is empty.
     * @returns `true` if all the values are cleared. Otherwise, `false` is returned.
     */
    get isEmpty(): boolean;
    /** @inheritDoc */
    get objectType(): ObjectType;
    /**
     * Gets the rating of the media described by the current instance.
     * @returns Rating of the media or `undefined` if it is not set.
     */
    get rating(): string;
    /**
     * Sets the rating of the media described by the current instance.
     */
    set rating(value: string);
    /**
     * Gets the title of the media described by the current instance.
     * @returns Title of the media or `undefined` if it is not set.
     */
    get title(): string;
    /**
     * Sets the title of the media described by the current instance.
     */
    set title(value: string);
    /**
     * Renders the current instance as a raw ASF object.
     */
    render(): ByteVector;
}