/**
 * Config tool service — backs the `config` tool onto the REAL tunables system
 * (settings.tunables.*), the same store the UI settings page manages via the
 * config.updateTunable RPC. ModelRegistry.getTunable() re-reads settings.json
 * per call, so every write here is hot — no restart needed.
 */
import type { ConfigToolDeps } from "../../skills/tools/config-tool.js";
export interface ConfigToolServiceOptions {
    settingsPath?: string;
}
export declare function createConfigToolService(options?: ConfigToolServiceOptions): ConfigToolDeps;
