import { SerialTaskExecuteContext, SerialHandler } from '../handler';
import { BusinessParams, SystemConfig } from '../types';
declare class TtsRequest extends SerialHandler<string, string> {
    private systemConfig;
    private businessParams;
    private webSockeSet;
    initProperty(systemConfig: SystemConfig, businessParams: Partial<BusinessParams>): void;
    execute(context: SerialTaskExecuteContext<string, string>): void;
    private generateRequestParams;
    private generateRequestUrl;
    protected onFinish(): void;
}
export default TtsRequest;