import { MultipartFile } from '../src/multipart/file.ts';
import { type FileValidationOptions } from '../src/types.ts';
/**
 * Parameters for configuring the file factory
 */
type FileFactoryParameters = {
    /** The form field name */
    fieldName: string;
    /** The original filename from the client */
    clientName: string;
    /** Headers associated with the file */
    headers: any;
    /** Size of the file in bytes */
    size: number;
    /** File extension */
    extname: string;
    /** MIME type of the file */
    type: string;
    /** MIME subtype */
    subtype: string;
};
/**
 * File factory exposes the API to create fake multipart file instances
 * for testing purposes
 */
export declare class MultipartFileFactory {
    #private;
    /**
     * Merge additional factory parameters with existing ones
     *
     * @param params - Parameters to merge with existing factory parameters
     */
    merge(params: Partial<FileFactoryParameters>): this;
    /**
     * Create an instance of multipart file with the configured parameters
     *
     * @param validationOptions - Optional validation options for the file
     */
    create(validationOptions?: Partial<FileValidationOptions>): MultipartFile;
}
export {};