import { ImageMimeType } from "babylonjs-gltf2interface";
import { type BaseTexture } from "@babylonjs/core/Materials/Textures/baseTexture.js";
import { type Nullable } from "@babylonjs/core/types.js";
export declare function GetFileExtensionFromMimeType(mimeType: ImageMimeType): string;
/**
 * Gets cached image data from a texture's internal buffer, if available.
 * @param babylonTexture texture to check for cached image data
 * @returns image data and mime type if found; null otherwise
 */
export declare function GetCachedImageAsync(babylonTexture: BaseTexture): Promise<Nullable<{
    data: ArrayBuffer;
    mimeType: string;
}>>;