survey-core/typings/src/dragdrop/engine.d.ts

A framework-independent core of the SurveyJS Form Library that works with rendering packages. Use it to integrate dynamic, interactive JSON-based forms and surveys into your app, collect user responses, and send them to your own database.

export interface IDragDropEngine {
    dragInit(event: PointerEvent, draggedElement: any, parentElement: any, draggedElementNode: HTMLElement): void;
    dragOver(event: PointerEvent): void;
    drop(): void;
    clear(): void;
}