import CharacterData from './CharacterData.cjs';
/**
 * Child node utility.
 */
export default class CharacterDataUtility {
    /**
     * Appends the given DOMString to the CharacterData.data string; when this method returns, data contains the concatenated DOMString.
     *
     * @param characterData Character data.
     * @param data Data.
     */
    static appendData(characterData: CharacterData, data: string): void;
    /**
     * Removes the specified amount of characters, starting at the specified offset, from the CharacterData.data string; when this method returns, data contains the shortened DOMString.
     *
     * @param characterData Character data.
     * @param offset Offset.
     * @param count Count.
     */
    static deleteData(characterData: CharacterData, offset: number, count: number): void;
    /**
     * Inserts the specified characters, at the specified offset, in the CharacterData.data string; when this method returns, data contains the modified DOMString.
     *
     * @param characterData Character data.
     * @param offset Offset.
     * @param data Data.
     */
    static insertData(characterData: CharacterData, offset: number, data: string): void;
    /**
     * Replaces the specified amount of characters, starting at the specified offset, with the specified DOMString; when this method returns, data contains the modified DOMString.
     *
     * @param characterData Character data.
     * @param offset Offset.
     * @param count Count.
     * @param data Data.
     */
    static replaceData(characterData: CharacterData, offset: number, count: number, data: string): void;
    /**
     * Returns a DOMString containing the part of CharacterData.data of the specified length and starting at the specified offset.
     *
     * @param characterData Character data.
     * @param offset Offset.
     * @param count Count.
     */
    static substringData(characterData: CharacterData, offset: number, count: number): string;
}
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