import type { CodeSegment, CaptionMode, SupportedLanguage } from '../types.js';
export interface CaptionEntry {
    index: number;
    startMs: number;
    endMs: number;
    text: string;
}
export declare function generateCaptions(segments: CodeSegment[], mode: CaptionMode, language: SupportedLanguage, totalDurationMs: number): CaptionEntry[];
export declare function captionsToSrt(entries: CaptionEntry[]): string;
export declare function writeSrtFile(entries: CaptionEntry[], path: string): void;
export declare function captionsToAss(entries: CaptionEntry[]): string;
export declare function writeAssFile(entries: CaptionEntry[], path: string): void;