/**
 * Zod schemas for EventEmitter and EventTarget types.
 *
 * @packageDocumentation
 */
import { z } from 'bupkis';
import type { EventEmitterLike, TimeoutOptions } from "./types.js";
/**
 * Schema that validates EventEmitter-like objects.
 *
 * Uses duck-typing via {@link isEventEmitter} to support custom implementations
 * and cross-realm objects.
 */
export declare const EventEmitterSchema: z.ZodCustom<EventEmitterLike, EventEmitterLike>;
/**
 * Schema that validates EventTarget objects.
 *
 * Uses duck-typing via {@link isEventTarget} to support custom implementations
 * and cross-realm objects.
 */
export declare const EventTargetSchema: z.ZodCustom<EventTarget, EventTarget>;
/**
 * Schema for event names (string or symbol).
 */
export declare const EventNameSchema: z.ZodUnion<readonly [z.ZodString, z.ZodSymbol]>;
/**
 * Schema for timeout options when required (non-optional variant).
 */
export declare const RequiredTimeoutOptionsSchema: z.ZodType<TimeoutOptions>;
/**
 * Schema for a trigger (function or Promise) that causes an event.
 */
export declare const TriggerSchema: z.ZodUnion<readonly [z.ZodFunction<z.core.$ZodFunctionArgs, z.core.$ZodFunctionOut>, z.ZodCustom<Promise<unknown>, Promise<unknown>>]>;
/**
 * Schema for an array of event names (for sequence assertions).
 */
export declare const EventSequenceSchema: z.ZodArray<z.ZodUnion<readonly [z.ZodString, z.ZodSymbol]>>;
//# sourceMappingURL=schema.d.ts.map