import { RTEBlock } from '../../blocks/block.abstract';
import { RTENode } from '../../nodes/node.abstract';
import { HeadingFilterStylesStrategy } from '../text-block/heading-filter-styles-strategy';
/**
 * Filters the default heading styles from customStyle when parsing an RTEListItemBlock that is supposed to be a heading.
 */
export declare class ListHeadingItemBlockFilterStylesStrategy extends HeadingFilterStylesStrategy {
  constructor(level: 1 | 2 | 3 | 4 | 5 | 6);
  /**
   * Check the important font-size and line-height for list item block are default styles, and the block is a list item block.
   *
   * @inheritDoc
   */
  canFilter(blockOrNodeInstance: RTEBlock | RTENode): boolean;
  /**
   * @inheritDoc
   */
  canRefill(blockOrNodeClassName: string, element: HTMLElement): boolean;
}
