export type H0FileValidationOptions = {
    accept?: string;
    maxSize?: number;
};
export declare function matchesH0FileAccept(file: File, accept?: string): boolean;
export declare function validateH0File(file: File, options: H0FileValidationOptions): "size" | "accept" | null;
export declare function createH0UploadId(file: File, counter: number): string;