/*!
 * Copyright 2022 WPPConnect Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Format bytes as human-readable text.
 *
 * @param bytes Number of bytes.
 * @returns Formatted string.
 */
export declare function formatFileSize(bytes: number): string;
/**
 * Determine the media type for file size validation
 * @param optionsType The media type specified in options ('image', 'video', 'audio', 'document', or 'auto-detect')
 * @param mimeType The MIME type of the file (e.g., 'image/png', 'video/mp4')
 * @returns The determined media type for validation ('image', 'video', 'audio', or 'document')
 */
export declare function getMediaTypeForValidation(optionsType: string, mimeType: string): string;