import type { OpenClawConfig } from "../../../config/config.js";
import type { GatewayMessageChannel } from "../../../shared/message-channel.js";
import type { AnyAgentTool } from "../common.js";
export declare function createTtsTool(opts?: {
    config?: OpenClawConfig;
    agentChannel?: GatewayMessageChannel;
}): AnyAgentTool;
