export declare const INITIAL_RICH_TEXT_CONTENT: {
    type: string;
    content: ({
        type: string;
        attrs: {
            level: number;
            language?: undefined;
        };
        content: {
            type: string;
            text: string;
        }[];
    } | {
        type: string;
        content: ({
            type: string;
            text: string;
            marks?: undefined;
        } | {
            type: string;
            marks: {
                type: string;
            }[];
            text: string;
        })[];
        attrs?: undefined;
    } | {
        type: string;
        attrs: {
            language: null;
            level?: undefined;
        };
        content: {
            type: string;
            text: string;
        }[];
    })[];
};
