import { KanbanOptions } from './kanban.types';
/**
 * Headless kanban board controller. Moves items between columns and reorders
 * them within a column via pointer drag (powered by
 * `@atlaskit/pragmatic-drag-and-drop`) and keyboard, reflecting `data-dragging`
 * and emitting a typed move event — it applies no visual styles.
 *
 * Markup:
 * ```html
 * <div data-c42-kanban>
 *   <div data-c42-kanban-column data-value="todo">
 *     <div data-c42-kanban-list>
 *       <div data-c42-kanban-item data-value="t1">First task</div>
 *       <div data-c42-kanban-item data-value="t2">Second task</div>
 *     </div>
 *   </div>
 *   <div data-c42-kanban-column data-value="doing">
 *     <div data-c42-kanban-list></div>
 *   </div>
 * </div>
 * ```
 */
export declare class Kanban {
    private readonly root;
    private readonly dragEnabled;
    private readonly keyboardEnabled;
    /** Scopes pragmatic-dnd interactions to this board instance. */
    private readonly dndKey;
    private cleanups;
    constructor(root: HTMLElement, options?: KanbanOptions);
    private init;
    private prepareItem;
    private columns;
    private items;
    private listOf;
    private columnOfList;
    private itemsIn;
    private listForColumn;
    private itemValue;
    /** Current item `data-value`s for every column, keyed by column value. */
    getOrder(): Record<string, string[]>;
    /** Insert `item` into `list` at `index` (clamped). No event. */
    private insertInto;
    private emitMove;
    private positionOf;
    /**
     * Move an item (by `data-value`) into a column (by `data-value`) at an
     * optional index (defaults to the end). Emits `kanban:move` when something
     * actually changes.
     */
    moveItem(itemValue: string, toColumnValue: string, toIndex?: number): boolean;
    private onKeydown;
    private moveToAdjacentColumn;
    private setupDnd;
    /** Apply a completed pointer drop: compute the destination list + index and move. */
    private applyDrop;
    /** Subscribe to a DOM event on the root element. Returns an unsubscribe fn. */
    on<E extends Event = Event>(event: string, handler: (event: E) => void): () => void;
    destroy(): void;
}