/**
   * Copyright (C) 2016 Michael Kourlas
   *
   * 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 { IStringOptions } from "../options";
  import XmlNode from "./XmlNode";
  /**
   * Represents an XML entity declaration in a document type definition.
   *
   * An XML entity declaration is structured as follows, where `{text}` is the
   * text of the declaration:
   *
   * ```xml
   * <!ENTITY {text}>
   * ```
   *
   * The `{text}` value is a property of this node.
   *
   * XmlDtdEntity nodes cannot have any children.
   */
  export default class XmlDtdEntity extends XmlNode {
      private _text;
      /**
       * Initializes a new instance of the {@link XmlDtdEntity} class.
       *
       * @param text The text associated with the XML entity declaration.
       */
      constructor(text: string);
      /**
       * Gets the text associated with the XML entity declaration.
       *
       * @return The text associated with the XML entity declaration.
       */
      /**
       * Sets the text associated with the XML entity declaration.
       *
       * @param text The text associated with the XML entity declaration.
       */
      text: string;
      /**
       * Throws an exception since {@link XmlDtdEntity} nodes cannot have any
       * children.
       *
       * @returns This method does not return.
       */
      children(): XmlNode[];
      /**
       * Throws an exception since {@link XmlDtdEntity} nodes cannot have any
       * children.
       *
       * @param node This parameter is unused.
       * @param index This parameter is unused.
       *
       * @returns This method does not return.
       */
      insertChild(node: XmlNode, index?: number): XmlNode | undefined;
      /**
       * Throws an exception since {@link XmlDtdEntity} nodes cannot have any
       * children.
       *
       * @param node This parameter is unused.
       *
       * @returns This method does not return.
       */
      removeChild(node: XmlNode): boolean;
      /**
       * Throws an exception since {@link XmlDtdEntity} nodes cannot have any
       * children.
       *
       * @param index This parameter is unused.
       *
       * @returns This method does not return.
       */
      removeChildAtIndex(index: number): XmlNode;
      /**
       * Returns an XML string representation of this node.
       *
       * @param options Formatting options for the string representation.
       *
       * @returns An XML string representation of this node.
       */
      toString(options?: IStringOptions): string;
  }