import type CreativeEditorSDK from '@cesdk/cesdk-js';
export declare function convertImageUrlForBytedance(imageUrl?: string, cesdk?: CreativeEditorSDK): Promise<string | undefined>;
export declare function convertImageUrlArrayForBytedance(imageUrls?: string[], cesdk?: CreativeEditorSDK): Promise<string[] | undefined>;
export declare function b64JsonToBlob(base64: string, mimeType: string): Blob;