import { AppState, SelectionRect, EventMap } from '../types';
import { Store } from '../store';
import { EventBus } from '../event-bus';
/**
 * Create multi-select manager
 */
export declare function createMultiSelect(store: Store<AppState>, eventBus: EventBus<EventMap>): {
    attach: () => void;
    detach: () => void;
    cancel: () => void;
    isActive: () => boolean;
    isDragging: () => boolean;
};
/**
 * Get normalized selection rectangle (ensures start < end)
 */
export declare function normalizeRect(rect: SelectionRect): {
    x: number;
    y: number;
    width: number;
    height: number;
};
export type MultiSelect = ReturnType<typeof createMultiSelect>;
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