import { StructuralDirective } from './structural.directive';
/**
 * For directive — list iteration.
 *
 * ## Callback mode (existing)
 * ```html
 * <li #for=${[this.items, (item) => html`<div>${item}</div>`]}></li>
 * ```
 *
 * ## Template mode
 * Pass just the items array. The directive clones the child `<template>`
 * for each item, interpolating `{{$item}}` / `{{$index}}` tokens:
 * ```html
 * <ul #for=${this.users}>
 *   <template>
 *     <li>{{$index}}. {{$item.name}} — {{$item.email}}</li>
 *   </template>
 * </ul>
 * ```
 */
export declare class ForDirective extends StructuralDirective {
    private callback;
    private itemsData;
    private childInstances;
    private get processor();
    private startMarker;
    private endMarker;
    /** The `<template>` child found inside the host element (grabbed before mount replaces it) */
    private itemTemplate;
    mount(element: Element): void;
    protected updateContent(items: unknown[]): Promise<void>;
    private updateContentFromTemplate;
    update(value: unknown): Promise<void>;
    private clearChildren;
    unmount(): void;
}
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