import type { AgentTool } from "@earendil-works/pi-agent-core";
import { Type, type Static, type TObject } from "typebox";
export declare const LABEL_PARAMETER: Type.TString;
export declare function defineHostFnTool<TFn, TParams extends TObject>(definition: {
    name: string;
    description: string;
    parameters: TParams;
    unavailable: string;
    run: (fn: TFn, args: Static<TParams>, signal?: AbortSignal) => ReturnType<AgentTool<TParams>["execute"]>;
}): {
    tool: AgentTool<TParams>;
    setFn: (fn: TFn | null) => void;
};
//# sourceMappingURL=host-fn-tool.d.ts.map