import { ITtsProvider, TtsSynthesisOptions, TtsSynthesisResult } from '../../../modules/buddy/platforms/tts-provider.platform';
import { ConfigService } from '../../../modules/config/services/config.service';
export declare class SystemTtsProvider implements ITtsProvider {
    private readonly configService;
    private readonly logger;
    constructor(configService: ConfigService);
    getType(): string;
    getName(): string;
    getDescription(): string;
    isConfigured(_pluginConfig: Record<string, unknown>): boolean;
    synthesize(text: string, options?: TtsSynthesisOptions): Promise<TtsSynthesisResult>;
    private isPiperAvailable;
    private spawnWithStdin;
    private getPluginConfig;
}