import { OpenAI } from 'openai';
import { LLMProviders, type LLMInstanceOptions, type LLMModel } from '../../../LLMService.typedefs';
import { type LLMLoggerInterface } from '../../../utilities/logger';
import { type LLMReporterInterface } from '../../../utilities/reporter';
import { OpenAICompatibleTextToSpeechService } from '../../../providers/OpenAICompatible/OpenAICompatibleTextToSpeech.service';
export declare class OpenAITextToSpeechService<Reporter extends LLMReporterInterface<any> | undefined> extends OpenAICompatibleTextToSpeechService<LLMProviders.OpenAI, Reporter> {
    constructor(logger: LLMLoggerInterface | undefined, reporter: Reporter, options?: LLMInstanceOptions[LLMProviders.OpenAI]);
    get instance(): OpenAI;
    protected extractUsage(audioBuffer: Buffer, text: string, model: LLMModel<LLMProviders.OpenAI>): Promise<{
        inputTextTokens: number;
        outputAudioTokens: number;
    }>;
}