export declare class ClearFormat {
    private static BLOCK_TAGS;
    private static NONVALID_PARENT_TAGS;
    private static IGNORE_PARENT_TAGS;
    private static NONVALID_TAGS;
    private static defaultTag;
    private static domNode;
    /**
     * clear method
     *
     * @param {Document} docElement - specifies the document element.
     * @param {Node} endNode - specifies the end node
     * @param {string} enterAction - specifies the enter key action
     * @param {string} selector - specifies the string value
     * @param {string} command - specifies the command value
     * @returns {void}
     * @hidden
     * @private
     */
    static clear(docElement: Document, endNode: Node, enterAction: string, selector?: string, command?: string): void;
    private static reSelection;
    private static clearBlocks;
    private static spliceParent;
    private static removeChild;
    private static removeParent;
    private static unWrap;
    private static addEligibleParentsUpToTable;
    private static clearInlines;
    private static removeInlineParent;
}