import { AxiosInstance } from 'axios';
interface TextSynthesizeArgs {
    text: string;
    voiceId: string;
    format: string;
    freq: string;
    accessToken?: string;
}
export interface TextSynthesizeResponse {
    buffer: Buffer;
    mime: string;
    fileName: string;
    size: number;
    headers: Record<string, any>;
}
export declare function post_text_synthesize(client: AxiosInstance, args: TextSynthesizeArgs): Promise<any>;
export {};
