import { Nullable } from '../../../../../types/general';
import { BlockToRTEBlockStrategyAbstract } from '../../../slimmers/controllers/helper/element-to-dto-strategy/block-to-rte-block-strategy.abstract';
import { RTEBlock } from '../../../dto/blocks/block.abstract';
import { RTETableHeadBlock } from '../dto/table-head-block';
import { VegaRTETransformOptions } from '../../../interface';
/**
 * Strategy to convert a native HTML thead element into an RTETableHeadBlock DTO.
 */
export declare class TheadToTableHeadBlockStrategy extends BlockToRTEBlockStrategyAbstract {
  /**
   * @inheritDoc
   */
  canHandle(elementsArray: HTMLElement[], currentIndex: number): number;
  /**
   * @inheritDoc
   */
  handle(elementsArray: HTMLElement[], options?: VegaRTETransformOptions): Nullable<RTEBlock>;
  /**
   * @inheritDoc
   */
  appendChildBlocks(currentBlock: RTETableHeadBlock, childBlocks: RTEBlock[]): void;
  /**
   * @inheritDoc
   */
  shouldProceedToElementChildren(): boolean;
}
