import { Block, BlockProps } from './Block';
import { ContainerProps } from './ContainerProps';
import { PlainText } from './PlainText';
export interface HeaderBlockProps extends BlockProps, ContainerProps<typeof PlainText> {
}
export interface HeaderBlockSpec {
    type: 'header';
    text: ReturnType<typeof PlainText>;
}
export declare const HeaderBlock: Block<HeaderBlockProps, HeaderBlockSpec>;