type PlaceholderType = 'research_citations' | 'research_figures' | 'research_tables' | 'research_math' | 'research_notes';
export interface Placeholder {
    original: string;
    simplified: string;
}
export declare function generatePlaceholder(type: PlaceholderType, id?: string): string;
export declare function generateId(): string;
export declare function extractPlaceholders(text: string): {
    cleanedText: string;
    placeholders: Placeholder[];
};
export declare function reAddPlaceholders(chunk: string, placeholders: Placeholder[]): string;
export {};