/**
 * Slot helpers for components.
 *
 * @module bquery/component
 */
import type { Signal } from '../reactive/index';
/**
 * Reactive signal containing the currently assigned nodes for the given slot.
 *
 * Must be called from a component lifecycle hook (e.g. `connected`). The
 * underlying `slotchange` listener is removed automatically when the
 * component disconnects.
 *
 * @param host - The component host element
 * @param name - Slot name, or `undefined` for the default slot
 *
 * @example
 * ```ts
 * connected() {
 *   const items = useSlot(this, 'item');
 *   useEffect(() => console.log('Items:', items.value.length));
 * }
 * ```
 */
export declare const useSlot: (host: HTMLElement, name?: string) => Signal<Element[]>;
/**
 * Returns `true` when the host's shadow root contains a non-empty slot with
 * the given name (or the default slot if no name is provided).
 */
export declare const hasSlot: (host: HTMLElement, name?: string) => boolean;
/**
 * Returns the concatenated text content of all nodes assigned to the named slot.
 */
export declare const slotText: (host: HTMLElement, name?: string) => string;
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