import { BreadcrumbCompoundItemProps } from './breadcrumbV2.types';
import * as React from 'react';
/** Collects visible text from React nodes for accessible labels (e.g. Page text inside Item). */
export declare function getPlainTextFromReactNode(node: React.ReactNode): string;
export type IndexedBreadcrumbChild = {
    el: React.ReactElement<BreadcrumbCompoundItemProps>;
    idx: number;
};
export declare function filterBreadcrumbItemChildren(children: React.ReactNode, ItemComponent: React.ComponentType<BreadcrumbCompoundItemProps>): React.ReactElement<BreadcrumbCompoundItemProps>[];
export declare function indexBreadcrumbChildren(items: React.ReactElement<BreadcrumbCompoundItemProps>[]): IndexedBreadcrumbChild[];
export declare function computeBreadcrumbOverflowLayout(indexed: IndexedBreadcrumbChild[], maxItems: number): {
    shouldShowMenu: boolean;
    base: IndexedBreadcrumbChild | undefined;
    rest: IndexedBreadcrumbChild[];
    menuItems: IndexedBreadcrumbChild[];
};
export declare function resolveBreadcrumbItemActive(idx: number, el: React.ReactElement<BreadcrumbCompoundItemProps>, totalItems: number): boolean;
/**
 * Native event for {@link createStubAnchorClickEvent}. Uses real MouseEvent in DOM;
 * minimal object elsewhere so SSR does not throw.
 */
export declare function createStubNativeClickEvent(): MouseEvent;
/**
 * Approximates a React click on an anchor for overflow menu items (no real DOM event).
 * {@link BreadcrumbV2Item} calls preventDefault before onClick — callers here should do the same for parity.
 */
export declare function createStubAnchorClickEvent(href: string): React.MouseEvent<HTMLAnchorElement>;