import { z } from "zod/v4";
export declare const MAX_ABSOLUTE_SCHEDULE_WINDOW_SECONDS: number;
export type NormalizedScheduleWindow = {
    type: "duration";
    durationSeconds: number;
} | {
    type: "percentage";
    percentage: number;
};
type Digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9";
type DigitsBelow = {
    "0": never;
    "1": "0";
    "2": "0" | "1";
    "3": "0" | "1" | "2";
    "4": "0" | "1" | "2" | "3";
    "5": "0" | "1" | "2" | "3" | "4";
    "6": "0" | "1" | "2" | "3" | "4" | "5";
    "7": "0" | "1" | "2" | "3" | "4" | "5" | "6";
    "8": "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7";
    "9": "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8";
};
type DigitLength<Value extends string, Result extends 0[] = []> = Value extends `${Digit}${infer Rest}` ? DigitLength<Rest, [...Result, 0]> : Result;
type CompareEqualLength<A extends string, B extends string> = A extends `${infer ADigit extends Digit}${infer ARest}` ? B extends `${infer BDigit extends Digit}${infer BRest}` ? ADigit extends BDigit ? CompareEqualLength<ARest, BRest> : ADigit extends DigitsBelow[BDigit] ? "lt" : "gt" : "eq" : "eq";
type DecimalStringLTE<A extends string, B extends string> = DigitLength<A> extends DigitLength<B> ? CompareEqualLength<A, B> extends "gt" ? false : true : DigitLength<B> extends [...DigitLength<A>, ...0[]] ? true : false;
type IsCanonicalUnsignedInteger<Value extends string> = Value extends `${bigint}` ? Value extends `-${string}` ? false : true : false;
/** The literal validation error for a configured schedule window, or `never` when valid. */
export type ScheduleWindowError<Window extends string> = string extends Window ? never : Window extends `${infer Amount}m` ? IsCanonicalUnsignedInteger<Amount> extends false ? "⛔ window must be a whole non-negative number" : DecimalStringLTE<Amount, "1440"> extends true ? never : "⛔ window duration cannot exceed 24 hours" : Window extends `${infer Amount}h` ? IsCanonicalUnsignedInteger<Amount> extends false ? "⛔ window must be a whole non-negative number" : DecimalStringLTE<Amount, "24"> extends true ? never : "⛔ window duration cannot exceed 24 hours" : Window extends `${infer Amount}%` ? IsCanonicalUnsignedInteger<Amount> extends false ? "⛔ percentage must be a whole non-negative number" : DecimalStringLTE<Amount, "100"> extends true ? never : "⛔ percentage cannot exceed 100%" : '⛔ window must look like "30m", "2h", or "50%"';
/**
 * Preserves valid schedule-window literals and replaces invalid literals with a descriptive type
 * error. Wide `string` values pass through for authoritative runtime validation.
 */
export type ValidatedScheduleWindow<Window extends string | undefined> = Window extends string ? [ScheduleWindowError<Window>] extends [never] ? Window : ScheduleWindowError<Window> : Window;
/** Parses and normalizes the public schedule-window syntax. */
export declare function parseScheduleWindow(value: string): NormalizedScheduleWindow;
/** Runtime authority for public schedule-window values. */
export declare const ScheduleWindow: z.ZodString;
export {};