export interface Footnote {
    id: string;
    content: string;
}
export declare class FootnoteManager {
    private footnotes;
    createFootnote(content: string): Footnote;
    updateFootnote(id: string, content: string): void;
    getFootnote(id: string): Footnote | undefined;
    getAllFootnotes(): Footnote[];
    getFootnoteNumber(id: string): number;
    deleteFootnote(id: string): void;
    destroy(): void;
}