/**
 * Shared timeRange enum for all tools.
 *
 * Canonical token: '24h' for the one-day window (explicit, unambiguous).
 * Legacy alias:    '1d'  — normalized to '24h' at the tool handler level
 *                          for tools that declare '1d'.
 */
import { z } from 'zod';
/**
 * The canonical set of timeRange values accepted by every tool that
 * takes a timeRange argument.  Import this and use it directly in
 * each tool's schema object instead of re-declaring z.enum([...]).
 */
export declare const TIME_RANGE_ENUM: readonly ["15m", "1h", "6h", "24h", "7d", "30d"];
export type TimeRangeValue = (typeof TIME_RANGE_ENUM)[number];
export declare const timeRangeSchema: z.ZodEnum<["15m", "1h", "6h", "24h", "7d", "30d"]>;
/**
 * Normalise any accepted legacy token to the canonical value.
 * Currently: '1d' → '24h'.
 * Returns the input unchanged when it is already canonical.
 */
export declare function normalizeTimeRange(raw: string): string;