import { Node as PMNode } from 'prosemirror-model';
import { NodeView } from 'prosemirror-view';
/**
 * Node view for an author `<style>` block. It injects the CSS live — scoped to
 * the content root — so the styles apply to the document as authored, with no
 * visible chip. The block itself renders nothing (a hidden `<style>` host); it
 * round-trips to `<style>` in the output via the schema's toDOM, and the same
 * raw CSS is what the HTML-source preview renders.
 */
export declare class StyleBlockView implements NodeView {
    private node;
    dom: HTMLElement;
    private styleEl;
    constructor(node: PMNode);
    update(node: PMNode): boolean;
    ignoreMutation(): boolean;
}