import { OpenAI } from 'openai';
import { LLMProviders, type LLMInstanceOptions } 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 LLMAPITextToSpeechService<Reporter extends LLMReporterInterface<any> | undefined> extends OpenAICompatibleTextToSpeechService<LLMProviders.LLMAPI, Reporter> {
    constructor(logger: LLMLoggerInterface | undefined, reporter: Reporter, options?: LLMInstanceOptions[LLMProviders.LLMAPI]);
    get instance(): OpenAI;
    protected getDefaultVoice(modelName: string): string;
    protected getRequestOptions(abortSignal?: AbortSignal): {
        signal: AbortSignal | undefined;
        headers: {
            Accept: string;
        };
    };
    protected extractUsage(_audioBuffer: Buffer, text: string): {
        inputTextTokens: number;
        outputAudioTokens: number;
    };
}