import { ValidatorFn } from '@angular/forms';
export declare class FileValidator {
    /**
     * Function to control content of files
     *
     * @param bytes max number of bytes allowed
     *
     * @returns
     */
    static maxContentSize(bytes: number): ValidatorFn;
    /**
     * Validator function to validate accepted file formats
     *
     * @param acceptedMimeTypes Array of accepted MIME types (e.g., ['image/jpeg', 'application/pdf'])
     * @returns Validator function
     */
    static acceptedMimeTypes(acceptedMimeTypes: string[]): ValidatorFn;
}