/**
 * Package browser: a clean, multi-select list for browsing, installing, and
 * uninstalling Elyra extensions. One mental model: space toggles the change
 * you want — [x] to install a package you don't have, [-] to remove one you
 * do — and enter applies all marked changes. Windowed scrolling, installed
 * markers, and a clear call to run /reload afterwards.
 */
import { Container } from "@elyracode/tui";
export interface PackageBrowserItem {
    /** Full package name, e.g. "@elyracode/stack-tall". */
    value: string;
    /** Short display name, e.g. "stack-tall". */
    name: string;
    /** One-line description. */
    description: string;
    /** Whether the package is already installed (shown as a ✓ marker). */
    installed?: boolean;
}
export interface PackageBrowserActions {
    /** Package names to install. */
    install: string[];
    /** Package names to uninstall. */
    remove: string[];
}
export declare class PackageBrowserComponent extends Container {
    private readonly items;
    private readonly onConfirm;
    private readonly onCancel;
    private readonly list;
    private readonly titleText;
    constructor(items: PackageBrowserItem[], onConfirm: (actions: PackageBrowserActions) => void, onCancel: () => void);
    private updateTitle;
    handleInput(keyData: string): void;
}
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