// ol-ext 4.0.38 ships no TypeScript declarations and there is no @types/ol-ext.
// This local declaration covers only what the probe touches. It deliberately
// lives inside the probe directory: if the gate fails, deleting the directory
// removes the typing debt with it. Promoting ol-ext to a real dependency would
// also mean owning a real declaration file.

declare module 'ol-ext/interaction/Transform' {
  import type Feature from 'ol/Feature';
  import type Collection from 'ol/Collection';
  import type BaseLayer from 'ol/layer/Base';
  import PointerInteraction from 'ol/interaction/Pointer';

  interface TransformOptions {
    layers?: BaseLayer[] | BaseLayer;
    features?: Collection<Feature>;
    filter?: (feature: Feature, layer: BaseLayer) => boolean;
    hitTolerance?: number;
    translate?: boolean;
    translateFeature?: boolean;
    translateBBox?: boolean;
    stretch?: boolean;
    scale?: boolean;
    rotate?: boolean;
    selection?: boolean;
    pointRadius?: number | number[] | ((feature: Feature) => number | number[]);
    style?: unknown;
  }

  /** Events: select, translatestart | translating | translateend, scale*, rotate*. */
  export interface TransformEvent {
    type: string;
    feature?: Feature;
    features?: Collection<Feature>;
    /** `translating` only: [deltaX, deltaY] in map units (EPSG:3857 here). */
    delta?: [number, number];
    coordinate?: [number, number];
    pixel?: [number, number];
    /** `*end` only. */
    transformed?: boolean;
  }

  /**
   * ol-ext's custom event names are not in OpenLayers' event-type unions, so
   * overriding `on` / `un` on the class would clash with `Interaction` and break
   * `map.addInteraction()`. Consumers narrow through this interface instead —
   * one documented conversion rather than a cast at every listener.
   */
  export interface TransformEvents {
    on(type: string, listener: (event: TransformEvent) => void): void;
    un(type: string, listener: (event: TransformEvent) => void): void;
  }

  export default class Transform extends PointerInteraction {
    constructor(options?: TransformOptions);
    select(feature: Feature | null, add?: boolean): void;
  }
}