@ng-dnd/core/src/type-ish.d.ts

Drag and Drop for Angular

import { Identifier } from 'dnd-core';
/** String, symbol, or an array of either. Used on drop targets. */
export type TypeOrTypeArray = Identifier | Identifier[];
/** Just a plain, reusable xy coordinate type. */
export interface Offset {
    /** x coordinate */
    x: number;
    /** y coordinate */
    y: number;
}