import { Disposable, Emitter, Event } from '@theia/core';
import { ApplicationShell } from '@theia/core/lib/browser';
import { Breadcrumb, BreadcrumbsContribution } from '@theia/core/lib/browser/breadcrumbs/breadcrumbs-constants';
import URI from '@theia/core/lib/common/uri';
import { AiConfigurationSelection } from '@theia/ai-core-ui/lib/browser/ai-configuration/ai-configuration-category';
import { AiConfigurationCategoryRegistry } from '@theia/ai-core-ui/lib/browser/ai-configuration/ai-configuration-category-registry';
import { AiConfigurationSelectionModel } from '@theia/ai-core-ui/lib/browser/ai-configuration/ai-configuration-selection-model';
export declare const AI_CONFIGURATION_BREADCRUMB_TYPE: unique symbol;
interface PopupEntry {
    readonly label: string;
    readonly iconClass?: string;
    readonly selection: AiConfigurationSelection;
    readonly selected: boolean;
}
/**
 * Contributes real Theia breadcrumbs for the AI Configuration view. The view's resource URI is
 * constant; the breadcrumb path (category › item) is derived from the shared
 * {@link AiConfigurationSelectionModel}, and clicking a segment opens a popup to jump to sibling
 * categories/items — matching the editor breadcrumb UX and honoring the `breadcrumbs.enabled` setting.
 */
export declare class AiConfigurationBreadcrumbsContribution implements BreadcrumbsContribution {
    readonly type: symbol;
    readonly priority = 100;
    protected readonly selectionModel: AiConfigurationSelectionModel;
    protected readonly registry: AiConfigurationCategoryRegistry;
    protected readonly shell: ApplicationShell;
    protected readonly onDidChangeBreadcrumbsEmitter: Emitter<URI>;
    get onDidChangeBreadcrumbs(): Event<URI>;
    protected init(): void;
    computeBreadcrumbs(uri: URI): Breadcrumb[];
    attachPopupContent(breadcrumb: Breadcrumb, parent: HTMLElement): Promise<Disposable | undefined>;
    /** Sibling categories for a category breadcrumb, or sibling items for an item breadcrumb. */
    protected popupEntries(breadcrumbId: string): PopupEntry[];
}
export {};
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