import { RichTextCommand } from './Abstracts/RichTextCommand';
/**
 * BoldCommand class to handle bold formatting in a textarea.
 */
export declare class BoldCommand extends RichTextCommand {
    /**
     * Constructs a new instance of the `BoldCommand` class.
     *
     * @public
     */
    constructor();
    /**
     * Toggles bold formatting on the selected text within the contenteditable div.
     *
     * @public
     * @returns {boolean} - True if the operation was successful, otherwise false.
     */
    execute(): boolean;
}
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