import { BlockTitleAdaptiveSlot, BlockTitleProps, BlockTitleSlotSizesProps } from '../BlockTitle.types'; export declare const getBlockTitleSlotSizes: (titleSize: BlockTitleProps['titleSize'], isAdaptive1280: boolean) => BlockTitleSlotSizesProps; export declare const getBlockTitleBackButtonSize: (isAdaptive1280: boolean) => 'xxs' | 'xs'; export declare const renderBlockTitleSlot: (slot: BlockTitleAdaptiveSlot | undefined, slotSizes: BlockTitleSlotSizesProps) => import('react').ReactNode;