@ng-dnd/core/src/internal/register-source.d.ts

Drag and Drop for Angular

import { DragDropManager, DragSource } from 'dnd-core';
export default function registerSource(type: any, source: DragSource, manager: DragDropManager): {
    handlerId: import("dnd-core").Identifier;
    unregister: () => void;
};