import type { ExtensionAuto } from "../../../../core/index.js";
export declare const horizontalRuleNodeName = "horizontal_rule";
export declare const horizontalRuleMarkupAttr = "markup";
export declare const horizontalRuleType: (schema: import("prosemirror-model").Schema) => import("prosemirror-model").NodeType;
export declare const HorizontalRuleSpecs: ExtensionAuto;