import { Attribute, Block, Node, Schema } from '../../prosemirror';
export declare class CodeBlockNodeType extends Block {
    constructor(name: string, schema: Schema);
    readonly attrs: {
        language: Attribute;
    };
    readonly isCode: boolean;
    readonly matchDOMTag: {
        'pre': (dom: HTMLElement) => any;
    };
    toDOM(node: CodeBlockNode): [string, any, number];
}
export interface CodeBlockNode extends Node {
    type: CodeBlockNodeType;
    attrs: {
        language: string;
    };
}
export declare function isCodeBlockNode(node: Node): node is CodeBlockNode;