import type { MessageMap } from './MessageMap.js';
import type { ValidationErrors } from './ValidationException.js';
export type RuleMap = Record<string, string>;
interface ValidationOk {
    ok: true;
    data: Record<string, unknown>;
}
interface ValidationFail {
    ok: false;
    errors: ValidationErrors;
}
/**
 * Validate a plain object using a pipe-delimited rule string DSL.
 *
 * Supported rules (subset):
 * - `required`
 * - `string`
 * - `email`
 * - `boolean`
 * - `integer`
 * - `min:N` / `max:N` (string length or numeric value)
 *
 * @param input - Source data (merged request input, `request().body`, etc.).
 * @param rules - Field → pipe-delimited rules.
 * @param messages - Optional `attribute.rule` → custom message.
 */
export declare function validate(input: unknown, rules: RuleMap, messages?: MessageMap): ValidationOk | ValidationFail;
export {};
//# sourceMappingURL=validate.d.ts.map