import { Block } from '../blocks';
import { Argument } from '.';
/**
 * @category Argument
 */
export declare class Attribute extends Argument {
    /**
     * Construct block's attribute.
     *
     * @param block block
     * @param attrName attribute name
     */
    constructor(block: Block, attrName: string);
}
/**
 * Convenient function to construct new block's [[Attribute]].
 *
 * @param block block
 * @param name attribute name
 *
 * @category Argument
 */
export declare const attr: (block: Block, name: string) => Attribute;