import * as _storyteller_platform_ghost_story from '@storyteller-platform/ghost-story';
import { TimingAggregator } from '@storyteller-platform/ghost-story';
import { AsyncSemaphore } from '@esfx/async-semaphore';
import { Logger } from 'pino';
import { AudioEncoding } from './AudioEncoding.cjs';

interface ProcessOptions {
    maxLength?: number | null | undefined;
    encoding?: AudioEncoding | null | undefined;
    parallelism?: number | null | undefined;
    signal?: AbortSignal | null | undefined;
    onProgress?: ((progress: number) => void) | null | undefined;
    logger?: Logger | null | undefined;
}
declare function processAudiobook(input: string, output: string, options: ProcessOptions): Promise<TimingAggregator>;
interface ProcessFileOptions extends Omit<ProcessOptions, "parallelism"> {
    lock: AsyncSemaphore;
}
declare function processFile(input: string, output: string, prefix: string, options: ProcessFileOptions): Promise<{
    processedFiles: string[];
    timing: _storyteller_platform_ghost_story.Timing;
}>;

export { type ProcessOptions, processAudiobook, processFile };