import { type StudioCanvasDragPayload } from '../../canvasDragModel';
import type { CanvasDropZoneResolution } from '../../canvasDropZones';
import type { NodePlacement } from '../../index';
export interface CanvasDragSessionCallbacks {
    readonly restartDraggable: () => void;
    readonly setActiveDragNodeId: (nodeId: string | null) => void;
    readonly setActiveDropZoneId: (zoneId: string | null) => void;
}
export declare function createCanvasDraggableSessionKey(nodeId: string, revision: number): string;
export declare function sortCanvasDropTargetsBySpecificity<T extends {
    readonly rect: {
        readonly width: number;
        readonly height: number;
    };
}>(targets: readonly T[]): readonly T[];
export declare function resetCanvasDragSession(callbacks: CanvasDragSessionCallbacks): void;
export declare function commitCanvasDrop(payload: unknown, zone: CanvasDropZoneResolution, moveNodeToPlacement: (nodeId: string, placement: NodePlacement) => boolean): boolean;
export declare function completeCanvasDropAfterAdapter(payload: unknown, zone: CanvasDropZoneResolution, moveNodeToPlacement: (nodeId: string, placement: NodePlacement) => boolean, resetDrag: () => void): Promise<boolean>;
export declare function activateCanvasDrag(payload: StudioCanvasDragPayload, callbacks: Pick<CanvasDragSessionCallbacks, 'setActiveDragNodeId'>): void;
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