/** @packageDocumentation
 * @module Zone
 */
import { WidgetZoneId, ZonesManager, ZonesManagerProps } from "./Zones";
/** @internal */
export declare abstract class AdjacentZonesStrategy {
    readonly manager: ZonesManager;
    abstract getInitial(zoneId: WidgetZoneId, isInFooterMode: boolean): WidgetZoneId | undefined;
    constructor(manager: ZonesManager);
    getSingleMergedZone(isMergedVertically: boolean): boolean;
    reduceToFirstZone(): boolean;
    getCurrent(zoneId: WidgetZoneId, props: ZonesManagerProps): WidgetZoneId[];
}
/** @internal */
export declare class LeftZones extends AdjacentZonesStrategy {
    getSingleMergedZone(isMergedVertically: boolean): boolean;
    getInitial(zoneId: WidgetZoneId, isInFooterMode: boolean): WidgetZoneId | undefined;
}
/** @internal */
export declare class RightZones extends AdjacentZonesStrategy {
    getSingleMergedZone(isMergedVertically: boolean): boolean;
    reduceToFirstZone(): boolean;
    getInitial(zoneId: WidgetZoneId, isInFooterMode: boolean): WidgetZoneId | undefined;
}
/** @internal */
export declare class TopZones extends AdjacentZonesStrategy {
    getInitial(zoneId: WidgetZoneId): WidgetZoneId | undefined;
}
/** @internal */
export declare class BottomZones extends AdjacentZonesStrategy {
    reduceToFirstZone(): boolean;
    getInitial(zoneId: WidgetZoneId): WidgetZoneId | undefined;
}
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