app/node_modules/@babylonjs/core/Engines/Extensions/engine.videoTexture.d.ts

import type { InternalTexture } from "../../Materials/Textures/internalTexture";
import type { Nullable } from "../../types";
import type { ExternalTexture } from "../../Materials/Textures/externalTexture";
declare module "../../Engines/thinEngine" {
    interface ThinEngine {
        /**
         * Update a video texture
         * @param texture defines the texture to update
         * @param video defines the video element to use
         * @param invertY defines if data must be stored with Y axis inverted
         */
        updateVideoTexture(texture: Nullable<InternalTexture>, video: HTMLVideoElement | Nullable<ExternalTexture>, invertY: boolean): void;
    }
}