import Element from "../element";
import Tag from "../tag";
import Program from "../program";
export default class Document extends Element {
    class_id: any;
    constructor(content?: string | null);
    /**
     * Adds tag to controller instance
     *
     * @param {Tag} tag
     * @memberof Program
     */
    addTag(tag: Tag): this;
    /**
     * Adds program to controller instance
     *
     * @param {Program} prog
     * @memberof Program
     */
    addProgram(prog: Program): this;
    /**
     * Finds tag in the controller instance that matches the name
     *
     * @param {string} name
     * @returns {Tag|null}
     * @memberof Program
     */
    findTag(name: string): Tag | null;
    /**
     * Finds program in the controller instance that matches the name
     *
     * @param {string} name
     * @returns {Program|null}
     * @memberof Program
     */
    findProgram(name: string): Program | null;
    /**
     * Sets passed element as document target element
     * --> Only if a valid element subtype
     *
     * @param {Element} target
     * @memberof Document
     */
    setTarget(target: Element): void;
    /**
     * Puts the programs children in the correct order
     *
     * @private
     * @memberof Program
     */
    _orderify(): void;
    /**
     * Exports document
     *
     * @memberof Document
     */
    export(): string;
    /**
     * Check if passed object is a document
     *
     * @static
     * @param {object} doc - object to test
     * @returns {boolean}
     * @memberof Document
     */
    static isDocument(doc: {
        class_id: string;
    }): boolean | "";
}