/// <reference types="node" />
/**
 * @see https://github.com/expressjs/multer
 */
export interface MulterOptions {
    dest?: string;
    /** The storage engine to use for uploaded files. */
    storage?: any;
    /**
     * An object specifying the size limits of the following optional properties. This object is passed to busboy
     * directly, and the details of properties can be found on https://github.com/mscdex/busboy#busboy-methods
     */
    limits?: {
        /** Max field name size (Default: 100 bytes) */
        fieldNameSize?: number;
        /** Max field value size (Default: 1MB) */
        fieldSize?: number;
        /** Max number of non- file fields (Default: Infinity) */
        fields?: number;
        /** For multipart forms, the max file size (in bytes)(Default: Infinity) */
        fileSize?: number;
        /** For multipart forms, the max number of file fields (Default: Infinity) */
        files?: number;
        /** For multipart forms, the max number of parts (fields + files)(Default: Infinity) */
        parts?: number;
        /** For multipart forms, the max number of header key=> value pairs to parse Default: 2000(same as node's http). */
        headerPairs?: number;
    };
    /** Keep the full path of files instead of just the base name (Default: false) */
    preservePath?: boolean;
    fileFilter?(req: any, file: {
        /** Field name specified in the form */
        fieldname: string;
        /** Name of the file on the user's computer */
        originalname: string;
        /** Encoding type of the file */
        encoding: string;
        /** Mime type of the file */
        mimetype: string;
        /** Size of the file in bytes */
        size: number;
        /** The folder to which the file has been saved (DiskStorage) */
        destination: string;
        /** The name of the file within the destination (DiskStorage) */
        filename: string;
        /** Location of the uploaded file (DiskStorage) */
        path: string;
        /** A Buffer of the entire file (MemoryStorage) */
        buffer: Buffer;
    }, callback: (error: Error | null, acceptFile: boolean) => void): void;
}
export interface MulterField {
    /** The field name. */
    name: string;
    /** Optional maximum number of files per field to accept. */
    maxCount?: number;
}