/**
 * Low-level Effect wrappers for EventTarget APIs.
 * @since 8.19.0
 */
import * as Effect from "effect/Effect";
import * as Scope from "effect/Scope";
import { GlobalThis } from "./GlobalThis.js";
import { type DefaultEventMap } from "./internal/_helpers.js";
/**
 * Add an event listener to an EventTarget
 * @since 8.19.0
 * @category events
 */
export interface AddEventListenerOptions<T extends EventTarget, EventName extends string, R2> extends globalThis.AddEventListenerOptions {
    readonly eventName: EventName;
    readonly handler: (event: EventWithCurrentTarget<T, EventName extends keyof DefaultEventMap<T> ? DefaultEventMap<T>[EventName] : Event>) => Effect.Effect<unknown, never, R2>;
}
/**
 * Add an event listener to an EventTarget
 * @since 8.19.0
 * @category events
 */
export declare const addEventListener: {
    <T extends EventTarget, EventName extends string, R = never>(options: AddEventListenerOptions<T, EventName, R>): (target: T) => Effect.Effect<void, never, R | Scope.Scope>;
    <T extends EventTarget, EventName extends string, R = never>(target: T, options: AddEventListenerOptions<T, EventName, R>): Effect.Effect<void, never, R | Scope.Scope>;
};
/**
 * Dispatch an event from an EventTarget
 * @since 8.19.0
 * @category events
 */
export declare const dispatchEvent: {
    <T extends EventTarget, EventName extends keyof DefaultEventMap<T>>(event: EventName, options?: EventInit): (target: T) => Effect.Effect<boolean, never, GlobalThis>;
    <T extends EventTarget, EventName extends keyof DefaultEventMap<T>>(target: T, event: EventName, options?: EventInit): Effect.Effect<boolean, never, GlobalThis>;
};
/**
 * Check to see if a key modifier is being used
 * @since 8.19.0
 * @category events
 */
export declare function isUsingKeyModifier(event: KeyboardEvent | MouseEvent): boolean;
/**
 * Helper for creating an Event that has the target property set.
 * @since 8.19.0
 * @category events
 */
export type EventWithTarget<T, Ev = Event> = Ev & {
    target: T;
};
/**
 * Helper for creating an Event that has the currentTarget property set.
 * @since 8.19.0
 * @category events
 */
export type EventWithCurrentTarget<T, Ev = Event> = Ev & {
    currentTarget: T;
};
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