/**
 * Helpers for asserting the `data-slot` contract: every element a component
 * renders carries a stable, kebab-case, component-prefixed `data-slot`
 * identifier (e.g. `filter-chip-remove`). Slot names are public API — tests
 * use these helpers so a rename fails loudly.
 */
/** The first element carrying `data-slot={name}`, or null. */
export declare function getSlot(container: ParentNode, name: string): HTMLElement | null;
/** All elements carrying `data-slot={name}`. */
export declare function getAllSlots(container: ParentNode, name: string): HTMLElement[];
/**
 * Assert every listed slot is present at least once. Pass `document.body`
 * as the container when the component portals content (menus, popovers).
 */
export declare function expectSlots(container: ParentNode, names: string[]): void;
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