import { z } from "zod";
export declare function createSignalTool(): import("../platform/types.ts").CanonicalToolDef<{
    type: z.ZodEnum<{
        blocked: "blocked";
        escalate: "escalate";
        answer: "answer";
        need_approval: "need_approval";
        need_clarification: "need_clarification";
        handoff: "handoff";
        progress: "progress";
        revise_needed: "revise_needed";
    }>;
    payload: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
}>;
//# sourceMappingURL=signal-tool.d.ts.map