import type { Subscription } from "@akala/core";
import type { Composer } from "../template.js";
import { AttributeComposer } from "./shared.js";
export declare class IfComposer<T extends Partial<Disposable>> extends AttributeComposer<T> implements Composer<T> {
    getContext(item: HTMLElement, options?: T): import("@akala/core").Binding<import("./context.js").IDataContext<Partial<Disposable>>>;
    constructor();
    optionName: string;
    applyInternal<const TKey extends PropertyKey>(item: HTMLElement, options: T, event: TKey, value: unknown): Subscription | void;
}