import { type BlobWithName, type FileWithBlobUrl } from './types';
type FileGenerationOptions = {
    id?: string;
    maxNameLength?: number;
};
export declare class FileWithBlobDataHelper {
    static fromBase64(base64: string, options?: FileGenerationOptions & {
        name?: string;
    }): FileWithBlobUrl;
    static fromBlob(blob: Blob | BlobWithName, options?: FileGenerationOptions): FileWithBlobUrl;
    static fromFile(file: File, options?: FileGenerationOptions): FileWithBlobUrl;
    static fromUrl(url: string, options?: FileGenerationOptions & {
        explicitName?: string;
    }): Promise<FileWithBlobUrl | null>;
    static fromUrlAnonymous(url: string, options?: FileGenerationOptions): Promise<FileWithBlobUrl | null>;
    static dispose(blobUrl: string): void;
    private static ensureFileWithValidName;
}
export {};