import type { InferSchema, Schema } from "../extensions/schema/index.js";
import type { Tool } from "./types.js";
/** Default value for sleep tool max seconds. */
export declare const DEFAULT_SLEEP_TOOL_MAX_SECONDS = 60;
/** Public API contract for sleep tool wait. */
export type SleepToolWait = (milliseconds: number) => Promise<void> | void;
/** Options accepted by create sleep tool. */
export type CreateSleepToolOptions = {
    maxSeconds?: number;
    wait?: SleepToolWait;
};
interface SleepToolInputShape {
    seconds: number;
}
/**
 * Build the sleep-tool input schema parameterised by `maxSeconds`.
 *
 * Resolves the `SchemaValidator` through the shared fallback path (rather than going
 * through `defineSchema`) because `defineSchema` produces a memoized
 * zero-arg getter — incompatible with per-instance parametric schemas.
 */
declare function createSleepToolInputSchema(maxSeconds: number): Schema<SleepToolInputShape>;
/** Input payload for sleep tool. */
export type SleepToolInput = InferSchema<ReturnType<typeof createSleepToolInputSchema>>;
/** Output from sleep tool. */
export type SleepToolOutput = {
    sleptFor: number;
    message: string;
};
/** Create sleep tool. */
export declare function createSleepTool(options?: CreateSleepToolOptions): Tool<SleepToolInputShape, SleepToolOutput>;
/**
 * Default sleep tool (max 60 s) exposed as a property accessor so the
 * underlying `tool({...})` materialization is deferred until first use.
 * Preserves the existing `sleepTool.execute(...)` call shape.
 */
export declare const sleepTool: Tool<SleepToolInput, SleepToolOutput>;
export {};
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