declare const _default: {
    meta: {
        type: "problem";
        docs: {
            recommended: boolean;
            description: string;
            url: string;
        };
        messages: {
            multipleH1: string;
        };
        schema: {
            type: "object";
            properties: {
                frontmatterTitle: {
                    type: "string";
                };
            };
            additionalProperties: false;
        }[];
        defaultOptions: [{
            frontmatterTitle: string;
        }];
    };
    create(context: import("@eslint/core").RuleContext<{
        LangOptions: import("../types.js").MarkdownLanguageOptions;
        Code: import("../index.js").MarkdownSourceCode;
        RuleOptions: NoMultipleH1Options;
        Node: import("mdast").Node;
        MessageIds: "multipleH1";
    }>): {
        "yaml, toml, json"(node: Yaml | Toml | Json): void;
        html(node: import("mdast").Html): void;
        heading(node: import("mdast").Heading): void;
    };
};
export default _default;
export type NoMultipleH1MessageIds = "multipleH1";
export type NoMultipleH1Options = [{
    frontmatterTitle?: string;
}];
export type NoMultipleH1RuleDefinition = MarkdownRuleDefinition<{
    RuleOptions: NoMultipleH1Options;
    MessageIds: NoMultipleH1MessageIds;
}>;
import type { Yaml } from "mdast";
import type { Toml } from "../types.js";
import type { Json } from "../types.js";
import type { MarkdownRuleDefinition } from "../types.js";